A benign neoplasm derived from glandular epithelium, in which cystic accumulations of retained secretions are formed. In some instances, considerable portions of the neoplasm, or even the entire mass, may be cystic. (Stedman, 25th ed)
A multilocular tumor with mucin secreting epithelium. They are most often found in the ovary, but are also found in the pancreas, appendix, and rarely, retroperitoneal and in the urinary bladder. They are considered to have low-grade malignant potential.
A cystic tumor of the ovary, containing thin, clear, yellow serous fluid and varying amounts of solid tissue, with a malignant potential several times greater than that of mucinous cystadenoma (CYSTADENOMA, MUCINOUS). It can be unilocular, parvilocular, or multilocular. It is often bilateral and papillary. The cysts may vary greatly in size. (Dorland, 27th ed; from Hughes, Obstetric-Gynecologic Terminology, 1972)
A benign neoplasm of the ovary.
A malignant neoplasm derived from glandular epithelium, in which cystic accumulations of retained secretions are formed. The neoplastic cells manifest varying degrees of anaplasia and invasiveness, and local extension and metastases occur. Cystadenocarcinomas develop frequently in the ovaries, where pseudomucinous and serous types are recognized. (Stedman, 25th ed)
Tumors or cancer of the APPENDIX.
A retention cyst of the salivary gland, lacrimal sac, paranasal sinuses, appendix, or gallbladder. (Stedman, 26th ed)
Tumors or cancer in the BILIARY TRACT including the BILE DUCTS and the GALLBLADDER.
Tumors or cancer of the BILE DUCTS.
A worm-like blind tube extension from the CECUM.
A benign tumor of the intrahepatic bile ducts.
Any fluid-filled closed cavity or sac that is lined by an EPITHELIUM. Cysts can be of normal, abnormal, non-neoplastic, or neoplastic tissues.
A sex cord-gonadal stromal tumor consists of LEYDIG CELLS; SERTOLI CELLS; and FIBROBLASTS in varying proportions and degree of differentiation. Most such tumors produce ANDROGENS in the Leydig cells, formerly known as androblastoma or arrhenoblastoma. Androblastomas occur in the TESTIS or the OVARY causing precocious masculinization in the males, and defeminization, or virilization (VIRILISM) in the females. In some cases, the Sertoli cells produce ESTROGENS.
Passages within the liver for the conveyance of bile. Includes right and left hepatic ducts even though these may join outside the liver to form the common hepatic duct.
Tumors or cancer of the PANCREAS. Depending on the types of ISLET CELLS present in the tumors, various hormones can be secreted: GLUCAGON from PANCREATIC ALPHA CELLS; INSULIN from PANCREATIC BETA CELLS; and SOMATOSTATIN from the SOMATOSTATIN-SECRETING CELLS. Most are malignant except the insulin-producing tumors (INSULINOMA).
A benign tumor characterized histologically by tall columnar epithelium within a lymphoid tissue stroma. It is usually found in the salivary glands, especially the parotid.
A malignant cystic or semisolid tumor most often occurring in the ovary. Rarely, one is solid. This tumor may develop from a mucinous cystadenoma, or it may be malignant at the onset. The cysts are lined with tall columnar epithelial cells; in others, the epithelium consists of many layers of cells that have lost normal structure entirely. In the more undifferentiated tumors, one may see sheets and nests of tumor cells that have very little resemblance to the parent structure. (Hughes, Obstetric-Gynecologic Terminology, 1972, p184)
Pathological developments in the CECUM.
Predominantly extrahepatic bile duct which is formed by the junction of the right and left hepatic ducts, which are predominantly intrahepatic, and, in turn, joins the cystic duct to form the common bile duct.
A cystic dilation of the EPIDIDYMIS, usually in the head portion (caput epididymis). The cyst fluid contains dead SPERMATOZOA and can be easily differentiated from TESTICULAR HYDROCELE and other testicular lesions.
Tumors or cancer of the ENDOCRINE GLANDS.
Tumors or cancer of the OVARY. These neoplasms can be benign or malignant. They are classified according to the tissue of origin, such as the surface EPITHELIUM, the stromal endocrine cells, and the totipotent GERM CELLS.
A condition characterized by the complete absence of SEMEN. This disorder should be differentiated from AZOOSPERMIA, absence of sperm in the semen.
A condition characterized by poorly-circumscribed gelatinous masses filled with malignant mucin-secreting cells. Forty-five percent of pseudomyxomas arise from the ovary, usually in a mucinous cystadenocarcinoma (CYSTADENOCARCINOMA, MUCINOUS), which has prognostic significance. Pseudomyxoma peritonei must be differentiated from mucinous spillage into the peritoneum by a benign mucocele of the appendix. (Segen, Dictionary of Modern Medicine, 1992)
Tumors or cancer of the SALIVARY GLANDS.
A true cyst of the PANCREAS, distinguished from the much more common PANCREATIC PSEUDOCYST by possessing a lining of mucous EPITHELIUM. Pancreatic cysts are categorized as congenital, retention, neoplastic, parasitic, enterogenous, or dermoid. Congenital cysts occur more frequently as solitary cysts but may be multiple. Retention cysts are gross enlargements of PANCREATIC DUCTS secondary to ductal obstruction. (From Bockus Gastroenterology, 4th ed, p4145)
Surgery performed on the male genitalia.
Two or more abnormal growths of tissue occurring simultaneously and presumed to be of separate origin. The neoplasms may be histologically the same or different, and may be found in the same or different sites.
Retroperitoneal neoplasms are a diverse group of tumors that originate in the retroperitoneal space, which is the area behind the peritoneum and includes the kidneys, adrenal glands, pancreas, and major blood vessels.
Accessory salivary glands located in the lip, cheek, tongue, floor of mouth, palate and intramaxillary.
Tomography using x-ray transmission and a computer algorithm to reconstruct the image.
Cyst-like space not lined by EPITHELIUM and contained within the PANCREAS. Pancreatic pseudocysts account for most of the cystic collections in the pancreas and are often associated with chronic PANCREATITIS.
General term for CYSTS and cystic diseases of the OVARY.
Non-invasive diagnostic technique for visualizing the PANCREATIC DUCTS and BILE DUCTS without the use of injected CONTRAST MEDIA or x-ray. MRI scans provide excellent sensitivity for duct dilatation, biliary stricture, and intraductal abnormalities.
Pathological processes of the PANCREAS.
Passages external to the liver for the conveyance of bile. These include the COMMON BILE DUCT and the common hepatic duct (HEPATIC DUCT, COMMON).
Surgical removal of the vermiform appendix. (Dorland, 28th ed)
Surgical removal of the pancreas. (Dorland, 28th ed)
A malignant cystic or semicystic neoplasm. It often occurs in the ovary and usually bilaterally. The external surface is usually covered with papillary excrescences. Microscopically, the papillary patterns are predominantly epithelial overgrowths with differentiated and undifferentiated papillary serous cystadenocarcinoma cells. Psammoma bodies may be present. The tumor generally adheres to surrounding structures and produces ascites. (From Hughes, Obstetric-Gynecologic Terminology, 1972, p185)
An adenocarcinoma producing mucin in significant amounts. (From Dorland, 27th ed)

Overexpression of H-Ryk in mouse fibroblasts confers transforming ability in vitro and in vivo: correlation with up-regulation in epithelial ovarian cancer. (1/109)

Abnormalities in the function of receptor tyrosine kinases (RTKs) have been demonstrated to be important in the pathogenesis of cancer. H-Ryk, a new member of the RTK family, is an unusual RTK in that it is catalytically inactive because of amino acid substitutions of conserved residues in the catalytic domain. We show by immunohistochemistry that it is expressed in the epithelium, stroma, and blood vessels of normal tissues. Evaluation of a panel of 33 primary ovarian tumors (2 benign, 8 borderline, and 23 malignant) was performed. H-Ryk was overexpressed in borderline and malignant ovarian tumors. In serous and clear cell subtypes, there was increased expression in the epithelium, stroma, and blood vessels. Consistent with this observation, overexpression of H-Ryk in the mouse fibroblast cell line NIH3T3 induces anchorage-independent growth and tumorigenicity in nude mice. This implies that overexpression of the receptor can be transforming and may therefore be significant in the pathogenesis of ovarian cancer.  (+info)

Mucinous cystadenocarcinoma in combination with hemangiosarcoma in the ovary. (2/109)

The ovary is the sixth most frequent site of cancer in women in Denmark with an incidence of approximately 600 cases per year. Carcinomas predominate whereas sarcomas are rare. We describe a case of the combination mucinous cystadenocarcinoma and hemangiosarcoma in a 37-year old woman, who had a right-sited oophorectomy because of a cyst. Clinically there was no suspicion of malignancy. The macro- and microscopic findings are described as well as the immunohistochemical stainings performed to confirm the diagnosis. The case shows the importance of careful sampling at the macroscopic examination, especially from areas with a striking appearance.  (+info)

Clinical and pathologic correlation of 84 mucinous cystic neoplasms of the pancreas: can one reliably differentiate benign from malignant (or premalignant) neoplasms? (3/109)

OBJECTIVE: To determine whether the long-term behavior of cystic mucinous neoplasms of the pancreas could be predicted using a novel, precisely defined classification of benign mucinous cystadenomas, noninvasive proliferative cystic mucinous neoplasms, and invasive mucinous cystadenocarcinomas. The primary interest was to obtain long-term follow-up after complete resection to determine the recurrence rates based on this objective classification. BACKGROUND: Current understanding is that all cystic mucinous neoplasms of the pancreas are potentially malignant and that mucinous cystadenomas, when completely removed, are biologically benign. Cystadenocarcinomas are thought to be less aggressively malignant than ordinary ductal adenocarcinoma, but reported recurrence rates vary widely and are unpredictable. METHODS: All patients who underwent "curative" resection for cystic mucinous neoplasms at Mayo Clinic Rochester from 1940 to 1997 were identified. All available pathology slides, gross specimens, and clinical records were reviewed, eliminating patients with inadequate documentation. Neoplasms were reclassified as mucinous cystadenomas, noninvasive proliferative mucinous cystic neoplasms, or invasive cystadenocarcinomas based on specific histologic criteria. RESULTS: Of 84 patients (70 women, 14 men) with cystic mucinous neoplasms of the pancreas, 54 were classified as cystadenomas, 23 as noninvasive proliferative cystic mucinous neoplasms, and only 7 as cystadenocarcinomas. Recurrent disease developed in none of the 77 patients without invasion, but 5 of the 6 patients surviving resection for cystadenocarcinomas died of recurrent cystadenocarcinoma within 5 years. CONCLUSIONS: When the neoplasm is completely resected and subjected to adequate histopathologic examination based on these objective criteria, absence of tissue invasion predicts a curative operation and detailed follow-up may be unnecessary. In contrast, a histologic diagnosis of invasive cystadenocarcinoma portends a dismal prognosis, similar to that of typical ductal adenocarcinoma of the pancreas.  (+info)

Expression of a homeobox gene (SIX5) in borderline ovarian tumours. (4/109)

AIMS: To assess the expression of SIX5 (a homeobox gene) mRNA in surface coelomic epithelium, endocervical epithelium, Fallopian tube epithelium, and benign, borderline, and malignant epithelial ovarian tumours. METHODS: 10 normal premenopausal ovaries, 10 normal Fallopian tubes, 10 normal cervices, 10 normal postmenopausal ovaries, 10 benign epithelial ovarian tumours, 10 malignant epithelial ovarian tumours, and 40 borderline epithelial ovarian tumours were studied retrospectively. The tissues had been fixed in formalin and embedded in paraffin wax. The tumours had previously been typed into mucinous, serous, or mixed tumours and assigned to the borderline category according to the FIGO/WHO criteria. Expression was assessed by in situ binding of SIX5 specific sense and antisense riboprobes. Hybridization of the riboprobes was detected using a standard immunohistochemical technique and the results correlated with expression in the normal epithelium of the endocervix, Fallopian tube, surface coelomic epithelium, and ovarian tumours. RESULTS: Expression of SIX5 mRNA was demonstrated in normal Fallopian tube epithelium and normal endocervical epithelium. SIX5 mRNA was not detected in normal ovarian epithelial tissue at any of the times studied during the menstrual cycle. Expression of SIX5 was not shown in benign epithelial ovarian tumours or in any of the malignant epithelial ovarian tumours. In 31 of 37 borderline epithelial ovarian tumours (84%), SIX5 expression was found in the epithelial cells. CONCLUSIONS: SIX5 expression is present in the normal epithelium throughout most of the female reproductive tract, suggesting it may have a role in maintaining epithelial differentiation in these tissues. SIX5 expression appears to be restricted to borderline epithelial ovarian tumours and may be a marker of epithelial differentiation in these tumours; thus borderline ovarian tumours may not be part of a continuum of disease between benign and malignant epithelial ovarian tumours. Further investigation of expression of SIX5 may clarify the molecular processes that promote differentiation of the ovarian surface epithelium.  (+info)

The coexistence of low-grade mucinous neoplasms of the appendix and appendiceal diverticula: a possible role in the pathogenesis of pseudomyxoma peritonei. (5/109)

We examined 38 appendectomies with diagnoses of mucocele, diverticulum, or adenoma to study the coincidence of appendiceal diverticula and appendiceal low-grade mucinous neoplasms and to examine the possible role of diverticula in the pathogenesis of pseudomyxoma peritonei. Invasive adenocarcinomas and retention cysts were excluded (six cases). Cases were classified as adenomas or mucinous tumors of unknown malignant potential, with or without diverticula. Medical records were reviewed for multiple parameters, including presenting symptoms, presence of pseudomyxoma peritonei, and presence of associated malignancies. Binomial statistics were used to calculate the probability that the observed prevalence of low-grade mucinous neoplasms and diverticula together was significantly different from the expected prevalence of diverticula or low-grade mucinous neoplasms alone, using historical controls from the literature. Twenty-five percent of the total cases (8 of 32) contained both a low-grade mucinous neoplasm (7 cystadenomas and 1 mucinous tumor of unknown malignant potential) and a diverticulum. Thus, 8 of 19 low-grade mucinous neoplasms (42%) were associated with diverticula. Of the appendices with both low-grade mucinous neoplasms and diverticula, three contained dissecting acellular mucin within the appendiceal wall, four showed diverticular perforation, and one had pseudomyxoma peritonei associated with the ruptured diverticulum. A significant percentage (P < .001) of cases contained low-grade mucinous neoplasms and diverticula together. The case of coexistent low-grade mucinous neoplasm, diverticulum, and pseudomyxoma peritonei suggests that diverticula could play a role in the pathogenesis of pseudomyxoma peritonei. This could occur either by involvement of preexisting diverticula by the neoplasm or by distention of the appendiceal lumen by mucin, leading to increased intraluminal pressure and subsequent diverticulum formation at a weak area in the wall. Either mechanism might allow low-grade mucinous neoplasms to penetrate the appendiceal wall more easily.  (+info)

Clear cell carcinoma of the ovary arising in a mucinous cystadenoma. (6/109)

A 57 year old woman presented complaining of increasing abdominal swelling of six months duration. A mixed solid cystic left ovarian tumour measuring 24 cm in diameter was excised. Histology showed numerous cysts lined by benign mucinous epithelium blending imperceptibly into borderline clear cell and mucinous areas that in turn merged with an invasive clear cell carcinoma. To the best of our knowledge, this is the first reported case of clear cell carcinoma arising in a mucinous cystadenoma. The implications for the previously postulated pathogenesis of these tumours are discussed.  (+info)

Mucinous cystadenoma coexisting with stromal tumor with minor sex-cord elements of the ovary: a case report. (7/109)

Mucinous neoplasms occur rarely in association with cystic teratoma, Sertoli-Leydig cell tumor, granulosa cell tumor or carcinoid tumor. Several cases of an ovarian stromal tumor with minor sex-cord elements have been reported in the literatures. However, there has been no report about an ovarian mucinous neoplasm coexisting with a stromal tumor with sex-cord elements yet. We report a case of an ovarian neoplasm composed of both mucinous cystadenoma and stromal tumor with minor sex-cord elements in a 58-yr-old female. The ovary including the mass measured 5 cm in size. On section, it revealed an unilocular cyst (4.5 cm in diameter) filled with mucinous fluid. There was a round, yellow, solid nodule, 1.5 cm in diameter within the wall. Microscopically, the cyst was lined by a single layer of endocervical mucinous epithelium and the nodule was composed of spindle cells showing an intersecting and whorled arrangement. There were cell nests showing polygonal shape with abundant cytoplasm among the spindle cells. They showed immunoreactivity for inhibin and did not have any connection with the adjacent mucinous epithelium. Therefore, we interpret the mucinous cystadenoma as having arisen de novo.  (+info)

Expression of laminin-5-gamma-2 chain in intraductal papillary-mucinous and invasive ductal tumors of the pancreas. (8/109)

The laminin-5-gamma-2 chain is expressed in various invasive carcinoma cells. To clarify the relationship between laminin-5 expression and the development of intraductal papillary-mucinous tumors (IPMTs), we performed an immunohistochemical study of 26 IPMTs and 30 invasive ductal adenocarcinomas. Cases were classified into five groups: intraductal papillary-mucinous adenoma (Group A; n = 8), adenocarcinoma without invasion (Group B; n = 3), adenocarcinoma with minimal invasion (Group C; n = 5), adenocarcinoma with macroscopically evident invasion (Group D; n = 10), and invasive ductal adenocarcinoma (conventional type; Group E; n = 30). In the invasive components of Groups D and E, laminin-5 was expressed in 80% and 100% of cases, respectively. In the intraductal components of IPMTs, expression of laminin-5 was not seen in Groups A and B, whereas they were seen in one case in Group C (20%) and in seven in Group D (70%). Most of the staining patterns of the intraductal components were focal and scattered. Laminin-5-gamma-2 expression in the intraductal components of IPMTs tends to increase as tumors develop and may be a indicator of the potential invasiveness of the tumor cells.  (+info)

Cystadenoma is a type of benign tumor (not cancerous), which arises from glandular epithelial cells and is covered by a thin layer of connective tissue. These tumors can develop in various locations within the body, including the ovaries, pancreas, and other organs that contain glands.

There are two main types of cystadenomas: serous and mucinous. Serous cystadenomas are filled with a clear or watery fluid, while mucinous cystadenomas contain a thick, gelatinous material. Although they are generally not harmful, these tumors can grow quite large and cause discomfort or other symptoms due to their size or location. In some cases, cystadenomas may undergo malignant transformation and develop into cancerous tumors, known as cystadenocarcinomas. Regular medical follow-up and monitoring are essential for individuals diagnosed with cystadenomas to ensure early detection and treatment of any potential complications.

Mucinous cystadenoma is a type of benign tumor that arises from the epithelial cells lining the mucous membranes of the body. It is most commonly found in the ovary, but can also occur in other locations such as the pancreas or appendix.

Mucinous cystadenomas are characterized by the production of large amounts of mucin, a slippery, gel-like substance that accumulates inside the tumor and causes it to grow into a cystic mass. These tumors can vary in size, ranging from a few centimeters to over 20 centimeters in diameter.

While mucinous cystadenomas are generally benign, they have the potential to become cancerous (mucinous cystadenocarcinoma) if left untreated. Symptoms of mucinous cystadenoma may include abdominal pain or swelling, bloating, and changes in bowel movements or urinary habits. Treatment typically involves surgical removal of the tumor.

A serous cystadenoma is a type of benign tumor that arises from the epithelial cells lining the serous glands, which are glands that produce a watery, lubricating fluid. This type of tumor typically develops in the ovary or the pancreas.

Serous cystadenomas of the ovary are usually filled with a clear, watery fluid and have multiple loculations (compartments). They can vary in size from a few millimeters to several centimeters in diameter. Although these tumors are benign, they can cause symptoms if they become large enough to press on surrounding organs or if they rupture and release their contents into the abdominal cavity.

Serous cystadenomas of the pancreas are less common than ovarian serous cystadenomas. They typically occur in the tail of the pancreas and can range in size from a few millimeters to several centimeters in diameter. These tumors are usually asymptomatic, but they can cause symptoms such as abdominal pain or discomfort if they become large enough to press on surrounding organs.

It is important to note that while serous cystadenomas are generally benign, there is a small risk that they may undergo malignant transformation and develop into a type of cancer known as a serous cystadenocarcinoma. For this reason, it is important for patients with these tumors to be followed closely by a healthcare provider and to have regular imaging studies and/or surgical excision to monitor for any changes in the tumor.

Papillary cystadenoma is a type of benign (non-cancerous) tumor that arises from the glandular cells in various organs. It is characterized by the growth of finger-like projections (papillae) inside the cysts. These tumors can occur in different parts of the body, including the ovaries, pancreas, and the lining of the abdominal cavity (peritoneum).

In general, papillary cystadenomas are slow-growing and do not typically spread to other organs. However, they can cause symptoms such as pain or discomfort if they become large enough to press on surrounding tissues. Treatment usually involves surgical removal of the tumor. It is important to note that while papillary cystadenomas are generally benign, there is a small risk that they may undergo malignant transformation and develop into cancerous tumors over time. Regular follow-up with a healthcare provider is recommended to monitor for any changes in the tumor or the development of new symptoms.

Cystadenocarcinoma is a type of tumor that arises from the epithelial lining of a cyst, and it has the potential to invade surrounding tissues and spread (metastasize) to other parts of the body. It typically affects glandular organs such as the ovaries, pancreas, and salivary glands.

Cystadenocarcinomas can be classified into two types: serous and mucinous. Serous cystadenocarcinomas produce a watery fluid, while mucinous cystadenocarcinomas produce a thick, mucus-like fluid. Both types of tumors can be benign or malignant, but malignant cystadenocarcinomas are more aggressive and have a higher risk of metastasis.

Symptoms of cystadenocarcinoma depend on the location and size of the tumor. In some cases, there may be no symptoms until the tumor has grown large enough to cause pain or other problems. Treatment typically involves surgical removal of the tumor, along with any affected surrounding tissue. Chemotherapy and radiation therapy may also be used in some cases to help prevent recurrence or spread of the cancer.

Appendiceal neoplasms refer to various types of tumors that can develop in the appendix, a small tube-like structure attached to the large intestine. These neoplasms can be benign or malignant and can include:

1. Adenomas: These are benign tumors that arise from the glandular cells lining the appendix. They are usually slow-growing and may not cause any symptoms.
2. Carcinoids: These are neuroendocrine tumors that arise from the hormone-producing cells in the appendix. They are typically small and slow-growing, but some can be aggressive and spread to other parts of the body.
3. Mucinous neoplasms: These are tumors that produce mucin, a slippery substance that can cause the appendix to become distended and filled with mucus. They can be low-grade (less aggressive) or high-grade (more aggressive) and may spread to other parts of the abdomen.
4. Adenocarcinomas: These are malignant tumors that arise from the glandular cells lining the appendix. They are relatively rare but can be aggressive and spread to other parts of the body.
5. Pseudomyxoma peritonei: This is a condition in which mucin produced by an appendiceal neoplasm leaks into the abdominal cavity, causing a jelly-like accumulation of fluid and tissue. It can be caused by both benign and malignant tumors.

Treatment for appendiceal neoplasms depends on the type and stage of the tumor, as well as the patient's overall health. Treatment options may include surgery, chemotherapy, or radiation therapy.

A mucocele is a mucus-containing cystic lesion that results from the accumulation of mucin within a damaged minor salivary gland duct or mucous gland. It is typically caused by trauma, injury, or blockage of the duct. Mucocele appears as a round, dome-shaped, fluid-filled swelling, which may be bluish or clear in color. They are most commonly found on the lower lip but can also occur on other areas of the oral cavity. Mucocele is generally painless unless it becomes secondarily infected; however, it can cause discomfort during speaking, chewing, or swallowing, and may affect aesthetics. Treatment usually involves surgical excision of the mucocele to prevent recurrence.

Biliary tract neoplasms refer to abnormal growths or tumors that develop in the biliary system, which includes the gallbladder, bile ducts inside and outside the liver, and the ducts that connect the liver to the small intestine. These neoplasms can be benign (non-cancerous) or malignant (cancerous).

Malignant biliary tract neoplasms are often referred to as cholangiocarcinoma if they originate in the bile ducts, or gallbladder cancer if they arise in the gallbladder. These cancers are relatively rare but can be aggressive and difficult to treat. They can cause symptoms such as jaundice (yellowing of the skin and eyes), abdominal pain, weight loss, and dark urine.

Risk factors for biliary tract neoplasms include chronic inflammation of the biliary system, primary sclerosing cholangitis, liver cirrhosis, hepatitis B or C infection, parasitic infections, and certain genetic conditions. Early detection and treatment can improve outcomes for patients with these neoplasms.

Bile duct neoplasms, also known as cholangiocarcinomas, refer to a group of malignancies that arise from the bile ducts. These are the tubes that carry bile from the liver to the gallbladder and small intestine. Bile duct neoplasms can be further classified based on their location as intrahepatic (within the liver), perihilar (at the junction of the left and right hepatic ducts), or distal (in the common bile duct).

These tumors are relatively rare, but their incidence has been increasing in recent years. They can cause a variety of symptoms, including jaundice, abdominal pain, weight loss, and fever. The diagnosis of bile duct neoplasms typically involves imaging studies such as CT or MRI scans, as well as blood tests to assess liver function. In some cases, a biopsy may be necessary to confirm the diagnosis.

Treatment options for bile duct neoplasms depend on several factors, including the location and stage of the tumor, as well as the patient's overall health. Surgical resection is the preferred treatment for early-stage tumors, while chemotherapy and radiation therapy may be used in more advanced cases. For patients who are not candidates for surgery, palliative treatments such as stenting or bypass procedures may be recommended to relieve symptoms and improve quality of life.

The appendix is a small, tube-like structure that projects from the large intestine, located in the lower right quadrant of the abdomen. Its function in humans is not well understood and is often considered vestigial, meaning it no longer serves a necessary purpose. However, in some animals, the appendix plays a role in the immune system. Inflammation of the appendix, known as appendicitis, can cause severe abdominal pain and requires medical attention, often leading to surgical removal of the appendix (appendectomy).

Adenoma of the bile duct is a benign (noncancerous) tumor that develops in the bile ducts, which are tiny tubes that carry bile from the liver to the gallbladder and small intestine. Bile is a digestive fluid produced by the liver.

Bile duct adenomas are rare and usually do not cause any symptoms. However, if they grow large enough, they may obstruct the flow of bile and cause jaundice (yellowing of the skin and whites of the eyes), abdominal pain, or itching. In some cases, bile duct adenomas may become cancerous and develop into bile duct carcinomas.

The exact cause of bile duct adenomas is not known, but they are more common in people with certain genetic disorders, such as Gardner's syndrome and von Hippel-Lindau disease. Treatment for bile duct adenomas typically involves surgical removal of the tumor.

A cyst is a closed sac, having a distinct membrane and division between the sac and its surrounding tissue, that contains fluid, air, or semisolid material. Cysts can occur in various parts of the body, including the skin, internal organs, and bones. They can be caused by various factors, such as infection, genetic predisposition, or blockage of a duct or gland. Some cysts may cause symptoms, such as pain or discomfort, while others may not cause any symptoms at all. Treatment for cysts depends on the type and location of the cyst, as well as whether it is causing any problems. Some cysts may go away on their own, while others may need to be drained or removed through a surgical procedure.

A Sertoli-Leydig cell tumor is a rare type of sex cord-stromal tumor that develops in the ovaries. These tumors arise from the cells that produce hormones and help to form and maintain the ovarian tissue. Sertoli-Leydig cell tumors can occur in people of any age but are most commonly found in women between the ages of 20 and 40.

These tumors can be functional, meaning they produce hormones, or nonfunctional. Functional Sertoli-Leydig cell tumors may cause symptoms related to the production of male hormones (androgens), such as excess facial hair, a deepened voice, and irregular menstrual periods. Nonfunctional tumors typically do not cause any specific symptoms and are often found during routine pelvic examinations or imaging studies performed for other reasons.

Sertoli-Leydig cell tumors are usually slow-growing and can vary in size. Most of these tumors are benign (not cancerous), but some can be malignant (cancerous) and may spread to other parts of the body. Treatment typically involves surgical removal of the tumor, and additional therapies such as chemotherapy or radiation therapy may be recommended depending on the stage and grade of the tumor. Regular follow-up care is essential to monitor for any recurrence of the tumor.

Intrahepatic bile ducts are the small tubular structures inside the liver that collect bile from the liver cells (hepatocytes). Bile is a digestive fluid produced by the liver that helps in the absorption of fats and fat-soluble vitamins from food. The intrahepatic bile ducts merge to form larger ducts, which eventually exit the liver and join with the cystic duct from the gallbladder to form the common bile duct. The common bile duct then empties into the duodenum, the first part of the small intestine, where bile aids in digestion. Intrahepatic bile ducts can become obstructed or damaged due to various conditions such as gallstones, tumors, or inflammation, leading to complications like jaundice, liver damage, and infection.

Pancreatic neoplasms refer to abnormal growths in the pancreas that can be benign or malignant. The pancreas is a gland located behind the stomach that produces hormones and digestive enzymes. Pancreatic neoplasms can interfere with the normal functioning of the pancreas, leading to various health complications.

Benign pancreatic neoplasms are non-cancerous growths that do not spread to other parts of the body. They are usually removed through surgery to prevent any potential complications, such as blocking the bile duct or causing pain.

Malignant pancreatic neoplasms, also known as pancreatic cancer, are cancerous growths that can invade and destroy surrounding tissues and organs. They can also spread (metastasize) to other parts of the body, such as the liver, lungs, or bones. Pancreatic cancer is often aggressive and difficult to treat, with a poor prognosis.

There are several types of pancreatic neoplasms, including adenocarcinomas, neuroendocrine tumors, solid pseudopapillary neoplasms, and cystic neoplasms. The specific type of neoplasm is determined through various diagnostic tests, such as imaging studies, biopsies, and blood tests. Treatment options depend on the type, stage, and location of the neoplasm, as well as the patient's overall health and preferences.

Adenolymphoma is a rare, benign tumor that arises from the lymphoid tissue found in glandular structures, such as the salivary glands. It is also known as Warthin's tumor or cystic papillary adenolymphoma.

The tumor is composed of multiple cyst-like spaces lined by columnar epithelial cells and surrounded by lymphoid tissue, which may contain lymphocytes, plasma cells, and occasionally, germinal centers. The etiology of adenolymphoma is unclear, but it has been associated with smoking and genetic factors.

Adenolymphomas are typically slow-growing and painless, although they can cause discomfort or facial asymmetry if they become large enough. They are usually diagnosed through imaging studies such as ultrasound, CT scan, or MRI, followed by a biopsy to confirm the diagnosis.

Treatment of adenolymphoma typically involves surgical excision, which is usually curative. Recurrence after surgery is rare, but long-term follow-up is recommended due to the potential for malignant transformation into squamous cell carcinoma or other malignancies.

Mucinous cystadenocarcinoma is a type of cancer that arises from the mucin-producing cells in the lining of a cyst. It is a subtype of cystadenocarcinoma, which is a malignant tumor that develops within a cyst. Mucinous cystadenocarcinomas are typically found in the ovary or pancreas but can also occur in other organs such as the appendix and the respiratory tract.

These tumors are characterized by the production of large amounts of mucin, a gel-like substance that can accumulate within the cyst and cause it to grow. Mucinous cystadenocarcinomas tend to grow slowly but can become quite large and may eventually spread (metastasize) to other parts of the body if left untreated.

Symptoms of mucinous cystadenocarcinoma depend on the location and size of the tumor, but they may include abdominal pain or discomfort, bloating, changes in bowel movements, or vaginal bleeding. Treatment typically involves surgical removal of the tumor, followed by chemotherapy or radiation therapy to kill any remaining cancer cells. The prognosis for mucinous cystadenocarcinoma depends on several factors, including the stage of the disease at diagnosis and the patient's overall health.

Cecal diseases refer to medical conditions that affect the cecum, which is a pouch-like structure located at the junction of the small and large intestines. The cecum plays an important role in digestion, particularly in the fermentation of certain types of food.

There are several different types of cecal diseases, including:

1. Cecal volvulus: This is a rare condition in which the cecum twists on itself, cutting off blood flow and causing severe pain and other symptoms.
2. Diverticulitis: This occurs when small pouches called diverticula form in the wall of the cecum and become inflamed or infected.
3. Appendicitis: Although not strictly a cecal disease, the appendix is a small tube-like structure that branches off from the cecum. Inflammation of the appendix (appendicitis) can cause severe pain in the lower right abdomen and may require surgical removal of the appendix.
4. Crohn's disease: This is a chronic inflammatory bowel disease that can affect any part of the digestive tract, including the cecum.
5. Tuberculosis: The cecum can also be affected by tuberculosis, which is a bacterial infection that primarily affects the lungs but can spread to other parts of the body.
6. Cancer: Although rare, cancer can also affect the cecum, leading to symptoms such as abdominal pain, bloating, and changes in bowel habits.

Treatment for cecal diseases depends on the specific condition and its severity. Treatment options may include antibiotics, surgery, or other medical interventions. If you are experiencing symptoms that may be related to a cecal disease, it is important to seek medical attention promptly.

The common hepatic duct is a medical term that refers to the duct in the liver responsible for carrying bile from the liver. More specifically, it is the duct that results from the convergence of the right and left hepatic ducts, which themselves carry bile from the right and left lobes of the liver, respectively. The common hepatic duct then joins with the cystic duct from the gallbladder to form the common bile duct, which ultimately drains into the duodenum, a part of the small intestine.

The primary function of the common hepatic duct is to transport bile, a digestive juice produced by the liver, to the small intestine. Bile helps break down fats during the digestion process, making it possible for the body to absorb them properly. Any issues or abnormalities in the common hepatic duct can lead to problems with bile flow and potentially cause health complications such as jaundice, gallstones, or liver damage.

A spermatocele is a type of cyst that develops in the epididymis, which is a small, coiled tube located on the back surface of the testicle. This cyst typically contains sperm and fluid from the epididymis, and it is usually benign and harmless.

Spermatoceles are often asymptomatic and may be discovered during a routine physical examination or self-examination. In some cases, however, they may cause discomfort or pain, particularly if they become large enough to press on the testicle or surrounding structures.

While spermatoceles do not typically require treatment unless they are causing symptoms, it is important to have them evaluated by a healthcare provider to rule out other potential causes of any symptoms and to ensure that appropriate treatment is provided if necessary.

Endocrine gland neoplasms refer to abnormal growths (tumors) that develop in the endocrine glands. These glands are responsible for producing hormones, which are chemical messengers that regulate various functions and processes in the body. Neoplasms can be benign or malignant (cancerous). Benign neoplasms tend to grow slowly and do not spread to other parts of the body. Malignant neoplasms, on the other hand, can invade nearby tissues and organs and may also metastasize (spread) to distant sites.

Endocrine gland neoplasms can occur in any of the endocrine glands, including:

1. Pituitary gland: located at the base of the brain, it produces several hormones that regulate growth and development, as well as other bodily functions.
2. Thyroid gland: located in the neck, it produces thyroid hormones that regulate metabolism and calcium balance.
3. Parathyroid glands: located near the thyroid gland, they produce parathyroid hormone that regulates calcium levels in the blood.
4. Adrenal glands: located on top of each kidney, they produce hormones such as adrenaline, cortisol, and aldosterone that regulate stress response, metabolism, and blood pressure.
5. Pancreas: located behind the stomach, it produces insulin and glucagon, which regulate blood sugar levels, and digestive enzymes that help break down food.
6. Pineal gland: located in the brain, it produces melatonin, a hormone that regulates sleep-wake cycles.
7. Gonads (ovaries and testicles): located in the pelvis (ovaries) and scrotum (testicles), they produce sex hormones such as estrogen, progesterone, and testosterone that regulate reproductive function and secondary sexual characteristics.

Endocrine gland neoplasms can cause various symptoms depending on the type and location of the tumor. For example, a pituitary gland neoplasm may cause headaches, vision problems, or hormonal imbalances, while an adrenal gland neoplasm may cause high blood pressure, weight gain, or mood changes.

Diagnosis of endocrine gland neoplasms typically involves a combination of medical history, physical examination, imaging studies such as CT or MRI scans, and laboratory tests to measure hormone levels. Treatment options may include surgery, radiation therapy, chemotherapy, or hormonal therapy, depending on the type and stage of the tumor.

Ovarian neoplasms refer to abnormal growths or tumors in the ovary, which can be benign (non-cancerous) or malignant (cancerous). These growths can originate from various cell types within the ovary, including epithelial cells, germ cells, and stromal cells. Ovarian neoplasms are often classified based on their cell type of origin, histological features, and potential for invasive or metastatic behavior.

Epithelial ovarian neoplasms are the most common type and can be further categorized into several subtypes, such as serous, mucinous, endometrioid, clear cell, and Brenner tumors. Some of these epithelial tumors have a higher risk of becoming malignant and spreading to other parts of the body.

Germ cell ovarian neoplasms arise from the cells that give rise to eggs (oocytes) and can include teratomas, dysgerminomas, yolk sac tumors, and embryonal carcinomas. Stromal ovarian neoplasms develop from the connective tissue cells supporting the ovary and can include granulosa cell tumors, thecomas, and fibromas.

It is essential to diagnose and treat ovarian neoplasms promptly, as some malignant forms can be aggressive and potentially life-threatening if not managed appropriately. Regular gynecological exams, imaging studies, and tumor marker tests are often used for early detection and monitoring of ovarian neoplasms. Treatment options may include surgery, chemotherapy, or radiation therapy, depending on the type, stage, and patient's overall health condition.

Aspermia is a medical term that refers to the absence of semen, which is typically released during ejaculation in males. This condition can occur due to various reasons such as obstruction in the reproductive tract, retrograde ejaculation (where semen flows backward into the bladder instead of out through the urethra), or a failure of the testicles to produce sperm. Aspermia is often associated with infertility and requires medical evaluation and treatment.

Pseudomyxoma Peritonei (PMP) is a rare, slow-growing, and invasive cancer that typically starts in the appendix as a low-grade mucinous neoplasm, although it can also arise from other organs of the abdominal cavity. The primary characteristic of PMP is the accumulation of copious amounts of gelatinous ascites (peritoneal fluid containing mucin) within the peritoneal cavity, causing progressive abdominal distension and discomfort.

The condition is classified into three main histological subtypes: disseminated peritoneal adenomucinosis (DPAM), peritoneal mucinous carcinomatosis (PMCA), and hybrid tumors. DPAM is the least aggressive form, while PMCA is more invasive and has a worse prognosis.

The primary treatment for Pseudomyxoma Peritonei involves cytoreductive surgery (CRS) combined with hyperthermic intraperitoneal chemotherapy (HIPEC). This approach aims to remove all visible tumors and destroy any remaining cancer cells within the abdominal cavity. Early diagnosis and aggressive treatment can significantly improve the prognosis for patients with PMP, although long-term survival rates remain variable due to the disease's rarity and heterogeneity.

Salivary gland neoplasms refer to abnormal growths or tumors that develop in the salivary glands. These glands are responsible for producing saliva, which helps in digestion, lubrication of food and maintaining oral health. Salivary gland neoplasms can be benign (non-cancerous) or malignant (cancerous).

Benign neoplasms are slow-growing and typically do not spread to other parts of the body. They may cause symptoms such as swelling, painless lumps, or difficulty swallowing if they grow large enough to put pressure on surrounding tissues.

Malignant neoplasms, on the other hand, can be aggressive and have the potential to invade nearby structures and metastasize (spread) to distant organs. Symptoms of malignant salivary gland neoplasms may include rapid growth, pain, numbness, or paralysis of facial nerves.

Salivary gland neoplasms can occur in any of the major salivary glands (parotid, submandibular, and sublingual glands) or in the minor salivary glands located throughout the mouth and throat. The exact cause of these neoplasms is not fully understood, but risk factors may include exposure to radiation, certain viral infections, and genetic predisposition.

A pancreatic cyst is a fluid-filled sac that forms in the pancreas, a gland located behind the stomach that produces enzymes to help with digestion and hormones to regulate blood sugar levels. Pancreatic cysts can be classified into several types, including congenital (present at birth), retention (formed due to blockage of pancreatic ducts), and pseudocysts (formed as a result of injury or inflammation).

While some pancreatic cysts may not cause any symptoms, others can lead to abdominal pain, bloating, nausea, vomiting, or jaundice. Some cysts may also have the potential to become cancerous over time. Therefore, it is essential to monitor and evaluate pancreatic cysts through imaging tests such as ultrasound, CT scan, or MRI, and in some cases, endoscopic ultrasound (EUS) with fine-needle aspiration (FNA) may be necessary for further evaluation.

Treatment options for pancreatic cysts depend on the type, size, location, and symptoms of the cyst, as well as the patient's overall health condition. Some cysts may require surgical removal, while others can be managed with regular monitoring and follow-up care. It is essential to consult a healthcare provider for proper evaluation and management of pancreatic cysts.

Urologic surgical procedures in males refer to various surgical operations performed on the male urinary system and reproductive organs. These may include:

1. Transurethral Resection of the Prostate (TURP): A procedure used to treat an enlarged prostate, where excess tissue is removed through the urethra using a specialized instrument.
2. Radical Prostatectomy: The surgical removal of the entire prostate gland and some surrounding tissues, usually performed as a treatment for prostate cancer.
3. Cystectomy: Surgical removal of the bladder, often due to bladder cancer. In males, this procedure may also involve removing the prostate and seminal vesicles.
4. Nephrectomy: The surgical removal of a kidney, usually performed due to kidney disease or cancer.
5. Pyeloplasty: A procedure to correct a blockage in the renal pelvis, the part of the kidney where urine collects before flowing into the ureter.
6. Ureterostomy: A surgical procedure that creates an opening from the ureter to the outside of the body, often performed when a portion of the urinary system needs to be bypassed or drained.
7. Orchiectomy: The surgical removal of one or both testicles, often performed as a treatment for testicular cancer.
8. Vasectomy: A minor surgical procedure for male sterilization, where the vas deferens are cut and sealed to prevent sperm from reaching the semen.
9. Testicular Sperm Extraction (TESE): A surgical procedure used to extract sperm directly from the testicles, often performed as part of assisted reproductive techniques for infertile couples.

These procedures may be performed using open surgery, laparoscopy, or robotic-assisted surgery, depending on the specific circumstances and patient factors.

Multiple primary neoplasms refer to the occurrence of more than one primary malignant tumor in an individual, where each tumor is unrelated to the other and originates from separate cells or organs. This differs from metastatic cancer, where a single malignancy spreads to multiple sites in the body. Multiple primary neoplasms can be synchronous (occurring at the same time) or metachronous (occurring at different times). The risk of developing multiple primary neoplasms increases with age and is associated with certain genetic predispositions, environmental factors, and lifestyle choices such as smoking and alcohol consumption.

Retroperitoneal neoplasms refer to abnormal growths or tumors that develop in the retroperitoneal space. This is the area located behind the peritoneum, which is the membrane that lines the abdominal cavity and covers the abdominal organs. The retroperitoneal space contains several vital structures such as the kidneys, adrenal glands, pancreas, aorta, and lymphatic vessels.

Retroperitoneal neoplasms can be benign or malignant (cancerous). Malignant retroperitoneal neoplasms are often aggressive and can invade surrounding tissues and organs, leading to various complications. Common types of retroperitoneal neoplasms include lymphomas, sarcomas, and metastatic tumors from other primary sites. Symptoms may vary depending on the size and location of the tumor but can include abdominal or back pain, weight loss, and swelling in the legs. Diagnosis typically involves imaging studies such as CT scans or MRI, followed by a biopsy to determine the type and grade of the tumor. Treatment options may include surgery, radiation therapy, chemotherapy, or a combination of these approaches.

Minor salivary glands are numerous small exocrine glands that produce saliva and are distributed throughout the oral cavity, nasal cavity, pharynx, larynx, and paranasal sinuses. They are classified as "minor" due to their smaller size compared to the three pairs of major salivary glands (parotid, submandibular, and sublingual). The minor salivary glands are primarily mucous glands, although some contain serous cells. They are responsible for producing approximately 5-10% of the total saliva in the mouth. These glands help moisten the oral cavity, protect the mucosal lining, and facilitate speaking, chewing, and swallowing.

X-ray computed tomography (CT or CAT scan) is a medical imaging method that uses computer-processed combinations of many X-ray images taken from different angles to produce cross-sectional (tomographic) images (virtual "slices") of the body. These cross-sectional images can then be used to display detailed internal views of organs, bones, and soft tissues in the body.

The term "computed tomography" is used instead of "CT scan" or "CAT scan" because the machines take a series of X-ray measurements from different angles around the body and then use a computer to process these data to create detailed images of internal structures within the body.

CT scanning is a noninvasive, painless medical test that helps physicians diagnose and treat medical conditions. CT imaging provides detailed information about many types of tissue including lung, bone, soft tissue and blood vessels. CT examinations can be performed on every part of the body for a variety of reasons including diagnosis, surgical planning, and monitoring of therapeutic responses.

In computed tomography (CT), an X-ray source and detector rotate around the patient, measuring the X-ray attenuation at many different angles. A computer uses this data to construct a cross-sectional image by the process of reconstruction. This technique is called "tomography". The term "computed" refers to the use of a computer to reconstruct the images.

CT has become an important tool in medical imaging and diagnosis, allowing radiologists and other physicians to view detailed internal images of the body. It can help identify many different medical conditions including cancer, heart disease, lung nodules, liver tumors, and internal injuries from trauma. CT is also commonly used for guiding biopsies and other minimally invasive procedures.

In summary, X-ray computed tomography (CT or CAT scan) is a medical imaging technique that uses computer-processed combinations of many X-ray images taken from different angles to produce cross-sectional images of the body. It provides detailed internal views of organs, bones, and soft tissues in the body, allowing physicians to diagnose and treat medical conditions.

A pancreatic pseudocyst is a fluid-filled sac that forms in the abdomen, usually as a result of pancreatitis or trauma to the pancreas. It is composed of cells and tissues from the pancreas, along with enzymes, debris, and fluids. Unlike true cysts, pseudocysts do not have an epithelial lining. They can vary in size and may cause symptoms such as abdominal pain, nausea, vomiting, or fever. In some cases, they may resolve on their own, but larger or symptomatic pseudocysts may require medical intervention, such as drainage or surgery.

An ovarian cyst is a sac or pouch filled with fluid that forms on the ovary. Ovarian cysts are quite common in women during their childbearing years, and they often cause no symptoms. In most cases, ovarian cysts disappear without treatment over a few months. However, larger or persistent cysts may require medical intervention, including surgical removal.

There are various types of ovarian cysts, such as functional cysts (follicular and corpus luteum cysts), which develop during the menstrual cycle due to hormonal changes, and non-functional cysts (dermoid cysts, endometriomas, and cystadenomas), which can form due to different causes.

While many ovarian cysts are benign, some may have malignant potential or indicate an underlying medical condition like polycystic ovary syndrome (PCOS). Regular gynecological check-ups, including pelvic examinations and ultrasounds, can help detect and monitor ovarian cysts.

Magnetic resonance cholangiopancreatography (MRCP) is a non-invasive medical imaging technique that uses magnetic resonance imaging (MRI) to visualize the bile ducts and pancreatic duct. This diagnostic test does not use radiation like other imaging techniques such as computed tomography (CT) scans or endoscopic retrograde cholangiopancreatography (ERCP).

During an MRCP, the patient lies on a table that slides into the MRI machine. Contrast agents may be used to enhance the visibility of the ducts. The MRI machine uses a strong magnetic field and radio waves to produce detailed images of the internal structures, allowing radiologists to assess any abnormalities or blockages in the bile and pancreatic ducts.

MRCP is often used to diagnose conditions such as gallstones, tumors, inflammation, or strictures in the bile or pancreatic ducts. It can also be used to monitor the effectiveness of treatments for these conditions. However, it does not allow for therapeutic interventions like ERCP, which can remove stones or place stents.

Pancreatic diseases refer to a group of medical conditions that affect the structure and function of the pancreas, a vital organ located in the abdomen. The pancreas has two main functions: an exocrine function, which involves the production of digestive enzymes that help break down food in the small intestine, and an endocrine function, which involves the production of hormones such as insulin and glucagon that regulate blood sugar levels.

Pancreatic diseases can be broadly classified into two categories: inflammatory and non-inflammatory. Inflammatory pancreatic diseases include conditions such as acute pancreatitis, which is characterized by sudden inflammation of the pancreas, and chronic pancreatitis, which is a long-term inflammation that can lead to scarring and loss of function.

Non-inflammatory pancreatic diseases include conditions such as pancreatic cancer, which is a malignant tumor that can arise from the cells of the pancreas, and benign tumors such as cysts or adenomas. Other non-inflammatory conditions include pancreatic insufficiency, which can occur when the pancreas does not produce enough digestive enzymes, and diabetes mellitus, which can result from impaired insulin production or action.

Overall, pancreatic diseases can have serious consequences on a person's health and quality of life, and early diagnosis and treatment are essential for optimal outcomes.

Extrahepatic bile ducts refer to the portion of the biliary system that lies outside the liver. The biliary system is responsible for producing, storing, and transporting bile, a digestive fluid produced by the liver.

The extrahepatic bile ducts include:

1. The common hepatic duct: This duct is formed by the union of the right and left hepatic ducts, which drain bile from the corresponding lobes of the liver.
2. The cystic duct: This short duct connects the gallbladder to the common hepatic duct, allowing bile to flow into the gallbladder for storage and concentration.
3. The common bile duct: This is the result of the fusion of the common hepatic duct and the cystic duct. It transports bile from the liver and gallbladder to the duodenum, the first part of the small intestine, where it aids in fat digestion.
4. The ampulla of Vater (or hepatopancreatic ampulla): This is a dilated area where the common bile duct and the pancreatic duct join and empty their contents into the duodenum through a shared opening called the major duodenal papilla.

Extrahepatic bile ducts can be affected by various conditions, such as gallstones, inflammation (cholangitis), strictures, or tumors, which may require medical or surgical intervention.

An appendectomy is a surgical procedure in which the vermiform appendix is removed. This procedure is performed when a patient has appendicitis, which is an inflammation of the appendix that can lead to serious complications such as peritonitis or sepsis if not treated promptly. The surgery can be done as an open procedure, in which a single incision is made in the lower right abdomen, or as a laparoscopic procedure, in which several small incisions are made and specialized instruments are used to remove the appendix. In some cases, if the appendix has burst, a more extensive surgery may be required to clean out the abdominal cavity.

A pancreatectomy is a surgical procedure in which all or part of the pancreas is removed. There are several types of pancreatectomies, including:

* **Total pancreatectomy:** Removal of the entire pancreas, as well as the spleen and nearby lymph nodes. This type of pancreatectomy is usually done for patients with cancer that has spread throughout the pancreas or for those who have had multiple surgeries to remove pancreatic tumors.
* **Distal pancreatectomy:** Removal of the body and tail of the pancreas, as well as nearby lymph nodes. This type of pancreatectomy is often done for patients with tumors in the body or tail of the pancreas.
* **Partial (or segmental) pancreatectomy:** Removal of a portion of the head or body of the pancreas, as well as nearby lymph nodes. This type of pancreatectomy is often done for patients with tumors in the head or body of the pancreas that can be removed without removing the entire organ.
* **Pylorus-preserving pancreaticoduodenectomy (PPPD):** A type of surgery used to treat tumors in the head of the pancreas, as well as other conditions such as chronic pancreatitis. In this procedure, the head of the pancreas, duodenum, gallbladder, and bile duct are removed, but the stomach and lower portion of the esophagus (pylorus) are left in place.

After a pancreatectomy, patients may experience problems with digestion and blood sugar regulation, as the pancreas plays an important role in these functions. Patients may need to take enzyme supplements to help with digestion and may require insulin therapy to manage their blood sugar levels.

Cystadenocarcinoma, serous is a type of cystic tumor that arises from the lining of the abdominal or pelvic cavity (the peritoneum). It is called "serous" because the tumor cells produce a thin, watery fluid similar to serum.

Cystadenocarcinoma is a malignant (cancerous) tumor that can invade surrounding tissues and spread (metastasize) to other parts of the body. It typically affects women over the age of 50 and can cause symptoms such as abdominal pain, bloating, and changes in bowel or bladder habits.

Serous cystadenocarcinoma is a subtype of ovarian cancer that arises from the surface of the ovary. It can also occur in other organs, including the fallopian tubes, peritoneum, and endometrium. This type of tumor tends to grow slowly but can spread widely throughout the abdominal cavity, making it difficult to treat.

Treatment for serous cystadenocarcinoma typically involves surgery to remove the tumor and any affected tissues, followed by chemotherapy to kill any remaining cancer cells. The prognosis for this type of cancer depends on several factors, including the stage of the disease at diagnosis, the patient's age and overall health, and the response to treatment.

Adenocarcinoma, mucinous is a type of cancer that begins in the glandular cells that line certain organs and produce mucin, a substance that lubricates and protects tissues. This type of cancer is characterized by the presence of abundant pools of mucin within the tumor. It typically develops in organs such as the colon, rectum, lungs, pancreas, and ovaries.

Mucinous adenocarcinomas tend to have a distinct appearance under the microscope, with large pools of mucin pushing aside the cancer cells. They may also have a different clinical behavior compared to other types of adenocarcinomas, such as being more aggressive or having a worse prognosis in some cases.

It is important to note that while a diagnosis of adenocarcinoma, mucinous can be serious, the prognosis and treatment options may vary depending on several factors, including the location of the cancer, the stage at which it was diagnosed, and the individual's overall health.

... ovarian mucinous cystadenoma Pancreas-pancreatic mucinous cystadenoma Peritoneum-peritoneal mucinous cystadenoma Liver-mucinous ... Pancreatic mucinous cystadenoma or mucinous cystadenoma of the pancreas (MCN) are a type of mucinous cystic neoplasm of the ... Mucinous cystadenoma is a benign cystic tumor lined by a mucinous epithelium. It is a type of cystic adenoma (cystadenoma). ... cystadenoma of the liver Vermiform appendix-appendiceal mucinous cystadenoma (see cystadenoma) Mucinous cystadenomas make up 15 ...
Mucinous cystadenoma of the pancreas Mucinous cystadenoma of the pancreas Mucinous cystadenoma of the pancreas Mucinous ... cystadenoma of the pancreas Mucinous cystadenoma Pancreatic cysts Pancreatic serous cystadenoma WHO Classification of Tumours ... Pancreatic mucinous cystadenoma is a tumour of pancreas. It may be benign or be associated with an invasive carcinoma component ... Tumours of the pancreas: Pancreatic mucinous cystic neoplasm". Digestive System Tumours. Vol. 1 (5th ed.). Lyon (France). pp. ...
Kragel PJ, Devaney KO, Meth BM, Linnoila I, Frierson HF, Travis WD (October 1990). "Mucinous cystadenoma of the lung. A report ... mucinous bronchioloalveolar carcinoma, signet ring cell adenocarcinoma, mucinous cystadenocarcinoma, and mucinous "colloid" ... may be of use in differentiating primary mucinous cystadenocarcinoma of the lung from metastatic lung tumors due to mucinous ... Mucinous cystadenocarcinoma of the lung (MCACL) is a very rare malignant mucus-producing neoplasm arising from the uncontrolled ...
... papillary cystadenoma (8450-8451, 8561) mucinous cystadenoma (8470-8473) Bile duct cystadenoma (8161) or biliary cystadenoma is ... Endometrioid cystadenoma (8380) Appendix: The term mucinous cystadenoma is an obsolete term for appendiceal mucinous neoplasm ... ISBN 978-1-4160-2999-1. Serous cystadenoma of pancreas at eMedicine Biliary cystadenoma/cystadenocarcinoma at eMedicine v t e ( ... Cystadenoma (or "cystoma") is a type of cystic adenoma. When malignant, it is called cystadenocarcinoma. When not otherwise ...
Intraductal papillary mucinous neoplasm Pancreatic serous cystadenoma Elta, GH; Enestvedt, BK; Sauer, BG; Lennon, AM (April ... Cyst fluid analysis may help distinguish potentially premalignant mucinous cysts (MCNs and IPMNs), from benign non-mucinous ... "Mucinous cystic tumors of the pancreas: clinicopathological features, prognosis, and relationship to other mucinous cystic ... Pancreatic mucinous cystic neoplasm (MCN) is a type of cystic lesion that occurs in the pancreas. Amongst individuals ...
Advanced cases for 5 year survival range from 12 to 28%. Mucinous cystadenoma is an obsolete term for appendiceal mucinous ... Other common forms are mucinous adenocarcinomas, adenocarcinoma not otherwise specified (NOS), and signet ring cell ...
... is a malignant form of a cystadenoma and is a cancer derived from glandular epithelium, in which cystic ... Cystadenocarcinomas can be classified into serous cystadenocarcinomas and mucinous cystadenocarcinomas.[citation needed] Among ... Papillary serous cystadenocarcinoma Ovarian serous cystadenoma "Ovarian papillary cystadenocarcinoma". Female Genital Pathology ...
Two cases of ovarian mucinous cystadenoma have also been reported with this mutation. HLRCC is an autosomal dominant condition ... "Germline fumarate hydratase mutations in patients with ovarian mucinous cystadenoma". European Journal of Human Genetics. 14 (7 ...
Pancreatic serous cystadenoma Solid pseudopapillary neoplasm "Intraductal Papillary Mucinous Neoplasms of the Pancreas". Johns ... Intraductal papillary mucinous neoplasm (IPMN) is a type of tumor that can occur within the cells of the pancreatic duct. IPMN ... Although intraductal papillary mucinous neoplasms are benign tumors, they can progress to pancreatic cancer. As such IPMN is ... Campbell, NM; Katz, SS; Escalon, JG; Do, RK (March 2015). "Imaging patterns of intraductal papillary mucinous neoplasms of the ...
V. More, H. Warke, N. M. Mayadeo, M. N. Satia: Large Bilateral Mucinous Cystadenoma Of Ovary. In: Journal of Postgraduate ... Approximately 15% of all ovarian tumours and 8% to 10% of epithelial ovarian tumours are mucinous cyst adenomas, which can also ...
... is a cystic benign tumor of the ovary. Two types are recognized: serous and mucinous.Ovarian cystadenomas ... Limaiem, Faten; Lekkala, Manidhar Reddy; Mlika, Mouna (2022), "Ovarian Cystadenoma", StatPearls, Treasure Island (FL): ... Limaiem, Faten; Mlika, Mouna (2019). "Ovarian Cystadenoma". StatPearls. StatPearls Publishing. Retrieved 21 November 2019. ...
Ovarian serous cystadenoma Pancreatic mucinous cystadenoma Solid pseudopapillary neoplasm Jais B, Rebours V, Malleo G, Salvia R ... such as the intraductal papillary mucinous neoplasm and the pancreatic mucinous cystadenoma), serous cystic neoplasms are ... Pancreatic serous cystadenoma is a benign tumour of the pancreas. It is usually solitary and found in the body or tail of the ... Those that are benign, that have not spread to other organs, are designated "serous cystadenoma". Serous cystadenomas can be ...
Pancreatic cancer Pancreatic mucinous cystic neoplasm Serous cystadenoma of the pancreas Source for mentioned findings: Pitman ... "Cytological criteria of high-grade epithelial atypia in the cyst fluid of pancreatic intraductal papillary mucinous neoplasms ...
Pancreatic mucinous cystadenoma Pancreatic mucinous cystadenocarcinoma (Articles needing additional references from January ... Pancreatic serous cystadenoma Pancreatic serous cystadenocarcinoma Pancreatic mucinous cystic tumors (13.4%) ... Pancreatic intraductal papillary mucinous tumors (most common diagnosis - 52.6%) Pancreatic serous cystic tumors (20.6%) ... Among this heterogeneous group, benign neoplasms predominate, particularly those with mucinous lining. Age at presentation, ...
... cystadenoma MeSH C04.557.470.035.320.225 - cystadenoma, mucinous MeSH C04.557.470.035.320.230 - cystadenoma, papillary MeSH ... cystadenoma MeSH C04.557.470.590.485.225 - cystadenoma, mucinous MeSH C04.557.470.590.485.230 - cystadenoma, papillary MeSH ... mucinous, and serous MeSH C04.557.470.590.075 - adenocarcinoma, mucinous MeSH C04.557.470.590.340 - carcinoma, mucoepidermoid ... mucinous MeSH C04.557.470.200.025.085 - adenocarcinoma, papillary MeSH C04.557.470.200.025.085.225 - carcinoma, papillary, ...
Nonsebaceous lymphadenoma Ductal papilloma Inverted ductal papilloma Intraductal papilloma Sialadenoma papilliferum Cystadenoma ... Sebaceous carcinoma Sebaceous lymphadenocarcinoma Cystadenocarcinoma Low-grade cribriform cystadenocarcinoma Mucinous ...
... known as chocolate cysts Hemorrhagic ovarian cyst Dermoid cyst Ovarian serous cystadenoma Ovarian mucinous cystadenoma ... Revised: 5 March 2020 Shahrzad Ehdaivand, M.D. "Ovary tumor - serous tumors - Serous cystadenoma / adenofibroma / surface ...
Cystadenoma (mucinous/serous) Cystadenocarcinoma Islet cell tumors (neuroendocrine tumors) Papillary cystic neoplasms Lymphoma ...
... cystadenoma (serous or mucinous), diverticular or appendiceal abscess, nerve sheath tumor, pelvic kidney, ureteral or bladder ... Mucinous tumors include mucinous adenocarcinoma and mucinous cystadenocarcinoma. Mucinous adenocarcinomas make up 5-10% of ... Advanced mucinous adenocarcinomas have a poor prognosis, generally worse than serous tumors, and are often resistant to ... Estrogen HRT with or without progestins increases the risk of endometrioid and serous tumors but lowers the risk of mucinous ...
Cysts also may be present due to intraductal papillary mucinous neoplasm. Pancreas divisum is a malformation in which the ... Pancreatic tumors (masses) including pancreatic cancer Serous cystadenoma of the pancreas Solid pseudopapillary neoplasm ...
Mucinous carcinoma Mucinous nevus (nevus mucinosus) Muir-Torre syndrome Multiple familial trichoepithelioma (Brooke-Spiegler ... cystadenoma, Moll's gland cyst, sudoriferous cyst) Hydrocarbon keratosis (pitch keratosis, tar keratosis, tar wart) ... paramesonephric mucinous cyst of the vulva) Clear cell acanthoma (acanthome cellules claires of Degos and Civatte, Degos ... Hand-Schüller-Christian disease Heerfordt's syndrome Hereditary progressive mucinous histiocytosis Hypopigmented sarcoidosis ...
Simons JP, Ng SC, Shah SA, McDade TP, Whalen GF, Tseng JF (2009). "Malignant Intraductal Papillary Mucinous Neoplasm: Are We ... Tseng JF (March 2008). "Management of serous cystadenoma of the pancreas". J. Gastrointest. Surg. 12 (3): 408-10. doi:10.1007/ ...
M8470/0 Mucinous cystadenoma, NOS (C56.9) Mucinous cystoma Pseudomucinous cystadenoma, NOS M8470/1 Mucinous cystic tumor with ... Mucinous cystadenoma, borderline malignancy Pseudomucinous cystadenoma, borderline malignancy Mucinous tumor, NOS, of low ... NOS M8471/0 Papillary mucinous cystadenoma, NOS (C56.9) Papillary pseudomucinous cystadenoma, NOS M8471/3 papillary mucinous ... cystadenoma borderline malignancy Papillary mucinous tumor of low malignant potential M8480/0 Mucinous adenoma M8480/3 Mucinous ...
... ovarian mucinous cystadenoma Pancreas-pancreatic mucinous cystadenoma Peritoneum-peritoneal mucinous cystadenoma Liver-mucinous ... Pancreatic mucinous cystadenoma or mucinous cystadenoma of the pancreas (MCN) are a type of mucinous cystic neoplasm of the ... Mucinous cystadenoma is a benign cystic tumor lined by a mucinous epithelium. It is a type of cystic adenoma (cystadenoma). ... cystadenoma of the liver Vermiform appendix-appendiceal mucinous cystadenoma (see cystadenoma) Mucinous cystadenomas make up 15 ...
Mucinous" by people in this website by year, and whether "Cystadenoma, Mucinous" was a major or minor topic of these ... "Cystadenoma, Mucinous" is a descriptor in the National Library of Medicines controlled vocabulary thesaurus, MeSH (Medical ... Below are the most recent publications written about "Cystadenoma, Mucinous" by people in Profiles. ... Below are MeSH descriptors whose meaning is more general than "Cystadenoma, Mucinous". ...
Ovarian mucinous cystadenoma 2. radhianahassan April 25, 2020 Posted in Tumour, Women ... Mucinous cystadenomas of the ovary are known for their potential to grow to massive proportions. ... They are typically benign tumours accounting for 15 percent of ovarian neoplasms and up to 80 percent of all mucinous tumors. ... Ovarian mucinous cystadenomas are characteristically unilateral, only 5 percent presenting bilaterally. *The peak incidence ...
The case was reported as a rare massive ovarian mucinous cystadenoma. This case report emphasizes the significance of thorough ... mucinous cystadenoma) in Jazan city, Saudi Arabia. Our reported case was a middle-aged Saudi woman presented with marked ... Mucinous cystadenoma is a benign ovarian tumour. It is reported to occur in middle-aged women. It is rare among adolescents [5 ... Ovarian mucinous cystadenoma is a benign tumour that arises from the surface epithelium of the ovary. It is a multilocular cyst ...
Did you say biliary cystadenoma? Um, actually its mucinous cystic neoplasm of the liver. ... Watch Aarti Sekhar eloquently explain the new classification for biliary cystadenoma in 4 minutes at June Cases For Aces! I ...
... Clin. Exp. Obstet ... Cystectomy revealed a benign mucinous cystadenoma with stromal luteinization associated with elevated estradiol levels and ...
The first case of primary retroperitoneal mucinous cystadenoma in Korea: A case report. Korean Journal of Internal Medicine. ... The first case of primary retroperitoneal mucinous cystadenoma in Korea: A case report. / Min, Byung Wook; Kim, Jong Man; Um, ... The first case of primary retroperitoneal mucinous cystadenoma in Korea : A case report. In: Korean Journal of Internal ... Dive into the research topics of The first case of primary retroperitoneal mucinous cystadenoma in Korea: A case report. ...
Mucinous cystadenoma of a horseshoe kidney: A case report and literature review Authors. * Taku Mitome Department of Urology, ... horseshoe kidney, mucinous cystadenoma Abstract. A 45-year-old man complained of a palpable mass in his left abdomen. Computed ... The diagnosis was mucinous cystadenoma of the kidney. No recurrence was observed 6 months after surgery. The histopathology was ... Mucinous cystadenoma of a horseshoe kidney: A case report and literature review. Canadian Urological Association Journal, 9(1-2 ...
Results: Tissues with mucinous cystadenoma were significantly more stained with PAS and VanGieson, when compared to women with ... in cyst samples with endometrioma and in normal ovarian tissue when compared to serous cystadenoma and mucinous cystadenoma. ... ovarian mucinous cystadenoma (n=10) and normal ovarian tissue (n=10) were included. The tissues were prepared and assessed ... Twenty patients with the diagnosis of endometrioma and 30 control subjects consisting of ovarian serous cystadenoma (n=10), ...
Serous cystadenoma. - Serous tumour of borderline malignancy. - Serous cystadenocarcinoma. - Mucinous cystadenoma. - Mucinous ... Cystadenoma of the epididymis. - Papillary cystadenoma of the epididymis. - Adenocarcinoma of the epididymis. - Squamous cell ... Mucinous cystadenocarcinoma. - Endometrioid tumours. - Clear cell adenocarcinoma. - Brenner tumour. *Tumours of the collecting ...
Discrimination of serous cystadenoma from mucinous cystadenoma in the pancreas with contrast-enhanced ultrasonography: a ... Differential diagnosis of pancreatic serous cystadenoma and mucinous cystadenoma: utility of textural features in combination ... A serous cystadenoma should be diagnosed with caution unless the lesion has all of the typical findings. If a mucinous cystic ... The important point to remember is that serous cystadenoma is benign, whereas the biologic behavior of the mucinous cystic ...
Mucinous Cystadenoma of the Appendix-An Unusual Cause of Intestinal Obstruction. S J Chong, M Y P Chan ... Mucinous cystadenoma of the vermiform appendix is an uncommon entity. It is a benign lesion but may disseminate and lead to the ...
B. Mucinous cystadenoma Explanation. Causes of pseudomyxoma peritonei - Mucinous cystadenoma of ovary, mucocele of appendix, ...
mucinous cystadenoma Background. Neoplasms of the ovary occur infrequently but when they do, they usually are painless and are ...
Benign lesions (eg, mucinous cystadenoma) may be unilocular or multilocular; have a smooth lining surface; and contain thin, ... Brenner tumors are usually found incidentally at pathologic evaluation, often in conjunction with a mucinous cystadenoma or ... Mucinous tumors are most common in the third to fifth decades of life and are only rarely bilateral. The larger varieties are ... Mucinous cysts are usually smooth-walled; compared with the serous variety, they rarely are associated with true papillae. The ...
Biliary Mucinous Cystadenoma: A Review of the Literature. J Clin Transl Hepatol 7(2):149-153, 2019. PMID: 31293915. ...
Laparoscopic technique for removal of a retroperitoneal pubic bone mucinous cystadenoma. American Association of Gynecologic ...
Main-duct Intraductal Papillary Mucinous Neoplasia (IPMN) Pancreatic pseudocyst Mucinous cystadenoma Mucinous ... Machado N, al Qadhi H, al Wahibi K. Intraductal papillary mucinous neoplasm of pancreas. N Am J Med Sci 2015;7:160. ... Tanaka M. Intraductal papillary mucinous neoplasm of the pancreas as the main focus for early detection of pancreatic ...
Mucinous cystadenoma Microcystic serous cystadenoma Solid pseudopapillary tumor Submeter. MRI revealed a cystic lesion with ... Serous cystadenoma (SCA) is a relatively rare pancreatic neoplasm which accounts for only 2% of pancreatic tumors (1-3). It ... Hamid M, Tbouda M, Majbar AM, Raiss M, Ahallat M. Pancreatic solid serous cystadenoma treated by laparoscopy: Presentation of a ... Microcystic serous cystadenoma mimicking pancreatic neuroendocrine neoplasm: report of a resected case with preoperative ...
Cystadenoma (M8440/0) - see also Neoplasm, by site, benign*. mucinous (M8470/0)*. borderline malignancy (M8470/1)*. specified ... mucinous (M8471/0)*. borderline malignancy (M8471/1)*. specified site - see Neoplasm, by site, uncertain behavior ...
mucinous cystic neoplasms; Mucinous cystic neoplasms (MCNs) usually are large, septated, thick-walled mucinous cysts that lack ... Pancreatic serous cystadenoma is a benign tumour of pancreas. It is usually found in the tail of the pancreas, and may be ...
A visit to urgent care and a CT scan revealed that Burketts excess abdominal "fat" was a 13-lb mucinous cystadenoma. Sadly, ...
Her histology confirmed mucinous cystadenoma arising from the tail of pancreas and the adrenal lesion was a non functioning ... It was suggestive of mucinous lesion. Her endocrine work up showed that the adrenal adenoma was a non secreting lesion. ...
Higa E, Rosai J, Pizzimbono CA, Wise L. Mucosal hyperplasia, mucinous cystadenoma, and mucinous cystadenocarcinoma of the ... Mucinous cystadenoma of the appendix associated with adenocarcinoma of the sigmoid colon and hepatocellular carcinoma of the ... According to International Classification of Diseases for Oncology appendiceal tumors are divided in to five classes: Mucinous ... Disseminated peritoneal adenomucinosis and peritoneal mucinous carcinomatosis. A clinicopathologic analysis of 109 cases with ...
Warthin tumor or papillary cystadenoma lymphomatosum: Warthin tumors have a smooth capsule; when incised, multiple cystic ... spaces that contain mucinous material are appreciated * Oncocytoma: Benign oncocytomas are smooth and firm, with a rubbery ... However, tobacco smoking has been associated with the development of Warthin tumors (papillary cystadenoma lymphomatosum). ...
Keywords: Pancreatic cystic lesions; endoscopic ultrasound; EUS-FNA; pseudocyst; serous cystadenoma; intraductal papillary ...
Clear cell carcinoma of the ovary arising in a mucinous cystadenoma (1 December, 2000) Free N Dutt, D M Berney ...
Representative examples include serous cystadenoma, mucinous cystadenoma, clear cell adenofibroma, benign brenner tumor, ...
N. Dutt and D. M. Berney, "Clear cell carcinoma of the ovary arising in a mucinous cystadenoma," Journal of Clinical Pathology ... Y. Wani and K. Notohara, "Ovarian clear cell carcinoma arising in a mucinous cystadenoma," International Journal of ... concluded that an identified ovarian clear cell carcinoma had arisen from a mucinous cystadenoma because this case exhibited a ... who proposed the terms Müllerian mucinous or endocervical papillary cystadenoma of borderline malignancy. Several authors have ...
With a presumptive diagnosis of mucinous cystadenoma / cystadenocarcinoma, the patient underwent abdominal exploration for a ...
  • Mucinous cystadenomas may be found in the: Ovary-ovarian mucinous cystadenoma Pancreas-pancreatic mucinous cystadenoma Peritoneum-peritoneal mucinous cystadenoma Liver-mucinous cystadenoma of the liver Vermiform appendix-appendiceal mucinous cystadenoma (see cystadenoma) Mucinous cystadenomas make up 15-20% of all ovarian tumors. (wikipedia.org)
  • Pancreatic mucinous cystadenoma or mucinous cystadenoma of the pancreas (MCN) are a type of mucinous cystic neoplasm of the pancreas. (wikipedia.org)
  • Pancreatic mucinous cystic neoplasm in a transgender patient. (jefferson.edu)
  • To avoid serious complications of pancreatic surgery, serous cystadenoma should be diagnosed accurately at the preoperative level. (medscape.com)
  • Because of significant overlap in the imaging findings of mucinous and serous pancreatic tumors, these tumors should be followed up with surveillance CT scanning to assess interval growth if aspiration is not performed. (medscape.com)
  • Serous cystadenoma (SCA) is a relatively rare pancreatic neoplasm which accounts for only 2% of pancreatic tumors (1-3). (spg.pt)
  • Microcystic serous cystadenoma mimicking pancreatic neuroendocrine neoplasm: report of a resected case with preoperative diagnostic difficulty and review of the literature. (spg.pt)
  • The many faces of pancreatic serous cystadenoma: Radiologic and pathologic correlation. (spg.pt)
  • Hamid M, Tbouda M, Majbar AM, Raiss M, Ahallat M. Pancreatic solid serous cystadenoma treated by laparoscopy: Presentation of a new case report and review of the literature. (spg.pt)
  • Intraductal papillary mucinous neoplasm appears as a lump in the ventral pancreatic duct or some of its branches. (fastlyheal.com)
  • Thirteen individuals with FPC (6.1%) underwent surgical resection for a suspected PRL, but only four (1.9%) had high-risk lesions (ie, high-grade intraductal papillary mucinous neoplasms or grade 3 pancreatic intraepithelial neoplasms). (medscape.com)
  • Guanylyl cyclase C is a specific marker for differentiating primary and metastatic ovarian mucinous neoplasms. (jefferson.edu)
  • They are typically benign tumours accounting for 15 percent of ovarian neoplasms and up to 80 percent of all mucinous tumors. (radiologycases.my)
  • The 2 most common cystic neoplasms of the pancreas are serous cystadenoma and mucinous cystic neoplasm. (medscape.com)
  • Serous cystadenomas are more common than mucinous cystic neoplasms, at a ratio of about 2:1. (medscape.com)
  • Mucinous epithelial tumors account for approximately 10-15% of all epithelial ovarian neoplasms. (medscape.com)
  • Nonepithelial malignant neoplasms sometimes arise in mucinous tumors, typically as mural nodules. (hindawi.com)
  • Intraductal papillary mucinous tumor (IPMT) is a more recently discovered cystic neoplasm that may be a variant of the mucinous cystic neoplasm. (medscape.com)
  • Seromucinous borderline tumors (SMBTs) are characterized by papillary architecture reminiscent of serous tumors but composed of mucinous epithelium similar to that of the endocervix. (hindawi.com)
  • Many of the cysts and the low papillary growth lesions were lined by tall columnar mucinous or cuboidal ciliated serous cells (Figure 2(b) ). (hindawi.com)
  • Clinical case description of a papillary mucinous cystadenocarcinoma, extremely rare malignant tumor in the salivary gland and difficult to diagnose, in geriatric patient. (bvsalud.org)
  • Despite the favorable clinical features, after surgical removal, was diagnosed as papillary mucinous papillary mucinous cystadenocarcinoma. (bvsalud.org)
  • Benign mucinous cystadenomas compose 80% of mucinous ovarian tumors and 20-25% of benign ovarian tumors overall. (wikipedia.org)
  • On an average, mucinous accounts for 40-50% of cystic tumors, and serous cytadenoma accounts for 30% of it. (wikipedia.org)
  • Mucinous tumors are most common in the third to fifth decades of life and are only rarely bilateral. (medscape.com)
  • SMBTs have been considered a subset of mucinous tumors and account for 15% of all mucinous borderline tumors [ 1 ]. (hindawi.com)
  • Mucinous tumor is a common type of ovarian epithelial tumors. (hindawi.com)
  • The large majority of mucinous tumors are benign and borderline tumors. (hindawi.com)
  • Invasive mucinous adenocarcinoma is uncommon and usually arises in the background of benign or borderline tumors. (hindawi.com)
  • Only 5 previous cases of angiosarcoma related to mucinous tumors have been reported [ 1 , 2 , 5 - 7 ]. (hindawi.com)
  • The specific binding of hFSH were demonstrated in three tumors of epithelial origin (serous cystadenoma and mucinous cystadenoma) and in two of sex cord-stromal origin (theca cell tumor and granulosa cell tumor). (nii.ac.jp)
  • PRMC and benign mucinous cystadenoma of the ovary are microscopically similar. (wikipedia.org)
  • Burke M, Talerman A, Carlson JA, Bibbo M. Residual ovarian tissue mimicking malignancy in a patient with mucinous carcinoid tumor of the ovary. (jefferson.edu)
  • Mucinous cystadenomas of the ovary are known for their potential to grow to massive proportions. (radiologycases.my)
  • Ovarian mucinous cystadenoma is a benign tumour that arises from the surface epithelium of the ovary. (biomedcentral.com)
  • The histological diagnosis of the ovarian tumor concluded to be a mucinous cystadenoma associated with a benign cystic teratoma of the ovary. (sld.cu)
  • Macrophage deposition was higher in cyst samples with endometrioma and in normal ovarian tissue when compared to serous cystadenoma and mucinous cystadenoma. (nih.gov)
  • Biliary cystadenoma and cystadenocarcinoma constitute less than 5% of intrahepatic cysts originating from the bile duct. (wikipedia.org)
  • With a presumptive diagnosis of mucinous cystadenoma / cystadenocarcinoma, the patient underwent abdominal exploration for a possible Whipple procedure (pancreaticoduodenectomy). (vesalius.com)
  • The frozen section diagnosis was at least mucinous borderline tumor, pending adequate tissue sampling for permanent sections to rule out mucinous adenocarcinoma. (hindawi.com)
  • The diagnosis was mucinous cystadenoma of the kidney. (cuaj.ca)
  • Twenty patients with the diagnosis of endometrioma and 30 control subjects consisting of ovarian serous cystadenoma (n=10), ovarian mucinous cystadenoma (n=10) and normal ovarian tissue (n=10) were included. (nih.gov)
  • MRI revealed a cystic lesion with multiple millimetric cysts separated by filiform septations with mild wall enhancement and no restricted diffusion, establishing a diagnosis of serous cystadenoma. (spg.pt)
  • The frozen section diagnosis was at least mucinous borderline tumor. (hindawi.com)
  • Mucinous cystadenomas are in the distal pancreas in about 80% of the cases and distal pancreatectomy is needed for resection. (wikipedia.org)
  • Primary mucinous cystic cystadenomas of the retroperitoneum are very rarely encountered, and there have been only about 30 cases reported in the literature. (korea.ac.kr)
  • The histogenesis of primary mucinous cystadenomas is unclear. (korea.ac.kr)
  • To report the occurrence of a rare case of a huge benign ovarian tumour (mucinous cystadenoma) in Jazan city, Saudi Arabia. (biomedcentral.com)
  • This suggests that the mucinous tumour may have originated from a sequestered segment of the renal pelvic epithelium in the renal parenchyma. (cuaj.ca)
  • Mucinous cystadenoma is a benign cystic tumor lined by a mucinous epithelium. (wikipedia.org)
  • Even though mucinous cystadenoma are common ovarian tumor, what makes PRMC so rare is their retroperitoneal location. (wikipedia.org)
  • The purpose of this report is to describe the features of angiosarcoma arising in mucinous tumor that was misinterpreted as a benign vascular proliferation during the intraoperative consultation. (hindawi.com)
  • A 35 cm right ovarian mass submitted for intraoperative consultation was a multicystic mucinous tumor with an 8 cm area of hemorrhagic lesion between cystic locules. (hindawi.com)
  • A macroscopic hemorrhagic area in an ovarian mucinous tumor should be evaluated with care, and the possibility of angiosarcoma should be borne in mind. (hindawi.com)
  • Her histology confirmed mucinous cystadenoma arising from the tail of pancreas and the adrenal lesion was a non functioning adenoma. (sages.org)
  • Cases of primary retroperitoneal mucinous cystadenoma (PRMC) are extremely rare. (wikipedia.org)
  • We present here a case report of a 38-year-old Korean woman with primary retroperitoneal cystadenoma. (korea.ac.kr)
  • Laparoscopic technique for removal of a retroperitoneal pubic bone mucinous cystadenoma. (advancedfertility.com)
  • Perspectives: Did you say biliary cystadenoma? (nellymd.com)
  • Watch Aarti Sekhar eloquently explain the new classification for biliary cystadenoma in 4 minutes at June Cases For Aces ! (nellymd.com)
  • A serous cystadenoma should be diagnosed with caution unless the lesion has all of the typical findings. (medscape.com)
  • It was suggestive of mucinous lesion. (sages.org)
  • As splenic vessels were going through the lesion, proceeded for splenectomy en bloc. (sages.org)
  • About 80% of mucinous tumours are benign, 10% are border-line and 10% are malignant. (biomedcentral.com)
  • The important point to remember is that serous cystadenoma is benign, whereas the biologic behavior of the mucinous cystic neoplasm and the IPMT ranges from benign to malignant. (medscape.com)
  • its cut surface was characterized by multiple cysts with mucinous, faintly brown fluid (Figure 1(a) ). (hindawi.com)
  • Cystectomy revealed a benign mucinous cystadenoma with stromal luteinization associated with elevated estradiol levels and features of hyperestrinism. (imrpress.com)
  • This report presents a case of a giant ovarian mucinous cystadenoma in a Saudi woman, one of the biggest reported ovarian tumours in the medical literature. (biomedcentral.com)
  • A visit to urgent care and a CT scan revealed that Burkett's excess abdominal "fat" was a 13-lb mucinous cystadenoma. (medscape.com)
  • As it contains mucinous fluid, its rupture leads to mucinous deposits on the peritoneum ( pseudo-myxoma peritonei ). (biomedcentral.com)
  • Cystadenoma, Mucinous" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (jefferson.edu)
  • Findings from plain radiography and upper GI series are nondiagnostic, except the finding of a classic sunburst central calcification, which is suggestive of a serous cystadenoma. (medscape.com)
  • The case was reported as a rare massive ovarian mucinous cystadenoma. (biomedcentral.com)
  • Um, actually it's mucinous cystic neoplasm of the liver. (nellymd.com)
  • In a study of 2622 patients with serous cystadenoma, 74% were women, with a mean age of 58 years. (medscape.com)
  • Tissues with mucinous cystadenoma were significantly more stained with PAS and VanGieson, when compared to women with endometrioma. (nih.gov)