• The most common malignant tumor of the perianal region is the anal sac (gland) carcinoma accounting for 16.5% of all perianal tumors. (livs.org)
  • Here, we describe two cases of patients suffering of sudden hearing loss and ipsilateral facial hemiparesis due to tumors arising from the ceruminous glands with primary intracranial involvement and subsequent middle ear infiltration. (peertechzpublications.com)
  • Salivary gland tumors (SGTs) are uncommon and represent 2-3% of head and neck neoplasms. (medscape.com)
  • Depending on the location of the gland, they can present with nerve compression symptoms when patients are seen later in the course with larger tumors. (medscape.com)
  • Ceruminous gland tumors are best visualized in a clean ear using a video otoscope. (merckvetmanual.com)
  • Deep en-bloc biopsies of the same tissue are often reported correctly as tumors. (merckvetmanual.com)
  • Tumors of the Ear Canal in Dogs Tumors may develop from any of the structures lining or supporting the ear canal, including the outer layer of skin, the glands that produce earwax and oil, or any of the bones, connective tissues. (merckvetmanual.com)
  • endocrine gland tumors, such as a VIPoma, an insulinoma, or a pheochromocytoma, are typically not referred to as adenocarcinomas but rather are often called neuroendocrine tumors. (wikipedia.org)
  • Adenocarcinoma is the malignant counterpart to adenoma, which is the benign form of such tumors. (wikipedia.org)
  • Aim: The aim of this study is to investigate the DNA ploidy and S-Phase Fraction (SPF) of some Salivary Gland Tumors (SGTs) in Egyptian patients and to investigate the correlation between these two biological parameters and the presumptive behavior of these neoplasms. (researchgate.net)
  • Two year feeding and inhalation studies with animals indicated the chemical to be carcinogenic, producing tumors of the central nervous system (CNS), cerebral tumors, squamous cell neoplasms of the Zymbal gland, adenocarcinoma of the small intestine and large intestine, along with numerous benign tumors. (cdc.gov)
  • Other findings included papillomata in the stomach, hemangioma of the kidney, fibroadenomas of the mammary gland, benign tumors of the uterus, and tumors of the ear canal. (cdc.gov)
  • Imaging studies of the salivary glands are usually unnecessary for the assessment of small tumors within the parotid or submandibular gland. (medscape.com)
  • Computed tomography (CT) scanning or magnetic resonance imaging (MRI) is useful for determining the extent of large tumors, for evaluating extraglandular extension, for determining the actual depth of parotid tumors, and for discovering other tumors in one gland or in the contralateral gland. (medscape.com)
  • However, no difference exists between the specificities and sensitivities of CT scanning and MRI for the location or amount of infiltration of tumors in the parotid gland. (medscape.com)
  • This imaging is particularly valuable for salivary gland neoplasms in the paranasal sinus, where skull-base or intracranial extension may alter the resectability of the tumors. (medscape.com)
  • Although researchers have learned much from the study of this diverse group of tumors over the years, the diagnosis and treatment of salivary gland neoplasms remain complex and challenging problems for the head and neck surgeon. (medscape.com)
  • Salivary gland neoplasms make up 6% of all head and neck tumors. (medscape.com)
  • An estimated 700 deaths (0.4 per 100,000 for males and 0.2 per 100,000 for females) related to salivary gland tumors occur annually. (medscape.com)
  • Almost half of all submandibular gland neoplasms and most sublingual and minor salivary gland tumors are malignant. (medscape.com)
  • Successful diagnosis and treatment of patients with salivary gland tumors require a thorough understanding of tumor etiology, biologic behavior of each tumor type, and salivary gland anatomy. (medscape.com)
  • over 80% of pancreatic cancers are ductal adenocarcinomas. (wikipedia.org)
  • prostate cancer is nearly always adenocarcinoma cervical cancer: most is squamous cell cancer, but 10-15% of cervical cancers are adenocarcinomas stomach cancer: is almost always an adenocarcinoma but in rare cases are extranodal marginal zone B-cell lymphomas (also termed MALT lymphomas). (wikipedia.org)
  • Most breast cancers start in the ducts or lobules, and are adenocarcinomas. (wikipedia.org)
  • The three most common histopathological types collectively represent approximately three-quarters of breast cancers: Invasive ductal carcinoma: 55% of breast cancers Ductal carcinoma in situ: 13% Invasive lobular carcinoma: 5% The vast majority of colorectal cancers are adenocarcinomas. (wikipedia.org)
  • More than 95% of prostate cancers are adenocarcinomas. (webmd.com)
  • These cancers start in the gland cells of the prostate. (webmd.com)
  • Up to 5% of prostate cancers are not adenocarcinomas. (webmd.com)
  • About 1% of bladder cancers are adenocarcinomas. (medicalnewstoday.com)
  • Most breast cancers are adenocarcinomas. (ucsfhealth.org)
  • These cancers form from cells that make up glands. (emedicinehealth.com)
  • Nonsquamous cell cancers, including minor salivary gland cancers, sarcomas, and melanomas, account for the other half (see the histologic distribution of hard palate malignant neoplasms and the histologic types and frequencies of minor salivary gland neoplasms of the palate below). (medscape.com)
  • Adenocarcinomas are part of the larger grouping of carcinomas, but are also sometimes called by more precise terms omitting the word, where these exist. (wikipedia.org)
  • However, adenocarcinomas of the lung, and occasional breast, transitional cell and pancreatic carcinomas had moderate or high levels of HE4 expression. (nature.com)
  • Excretory stem cells give rise to squamous cell and mucoepidermoid carcinomas, while intercalated stem cells give rise to pleomorphic adenomas, oncocytomas, adenoid cystic carcinomas, adenocarcinomas, and acinic cell carcinomas. (medscape.com)
  • Comprehensive genomic profiles of metastatic and relapsed salivary gland carcinomas are associated with tumor type and reveal new routes to targeted therapies. (cdc.gov)
  • It is rare in other salivary gland carcinomas. (medscape.com)
  • Thus invasive ductal carcinoma, the most common form of breast cancer, is adenocarcinoma but does not use the term in its name-however, esophageal adenocarcinoma does to distinguish it from the other common type of esophageal cancer, esophageal squamous cell carcinoma. (wikipedia.org)
  • Patients with BE are at an increased risk for development of esophageal adenocarcinoma [ 13 ] and the incidence of esophageal adenocarcinoma has increased by 300-500% in white men in the last 30 years [ 14 , 15 ]. (hindawi.com)
  • The feasibility of OCT for carrying out in vivo real time imaging of Barrett's esophagus, high grade dysplasia and esophageal adenocarcinoma has been well demonstrated (Figures 1 , 2 , and 3 ). (hindawi.com)
  • High grade dysplasia and esophageal adenocarcinoma images exhibited more heterogeneous structures corresponding to irregular, heterogeneous tissue morphology from distorted and cribriform or villiform glandular architecture. (hindawi.com)
  • Now, a team of researchers has identified an inherited mutation in a gene linked to a highly lethal cancer of what is commonly known as the food pipe, called esophageal adenocarcinoma (EAC). (sciencedaily.com)
  • Normal colonic glands tend to be simple and tubular in appearance with a mixture of mucus-secreting goblet cells and water-absorbing cells. (wikipedia.org)
  • These glands secrete mucus into the lumen of the colon to lubricate the feces as they pass towards the rectum. (wikipedia.org)
  • It occurs in the cells of the bladder glands that secrete mucus. (medicalnewstoday.com)
  • Editor's note: Adenocarcinoma is a type of cancer that can form in mucus-secreting glands throughout the body. (cdc.gov)
  • Adenocarcinoma begins in cells that make up mucus-secreting glands in the bladder. (mayoclinic.org)
  • Glands are specialized structures that produce and release fluids such as mucus. (emedicinehealth.com)
  • The parotids produce the most fluid saliva, as they are composed of serous acini, with the sublingual gland producing mucus from mucous acini. (medscape.com)
  • Adenocarcinoma is a type of cancer that forms in mucus glands throughout the body. (survivingmesothelioma.com)
  • F-18 fluorodeoxyglucose positron emission tomography (FDG-PET) scanning can be used to plan treatment of salivary gland malignancies by detecting lymph node metastases that require a neck dissection or by finding distant metastases that may not have caused abnormalities in routine blood work. (medscape.com)
  • Three of our cases were morphologically consistent with prostatic acinar adenocarcinoma with variable cribriform, fused, and poorly formed glands, analogous to Gleason score 4+4=8. (johnshopkins.edu)
  • Prostate xanthomas may mimic high-grade prostatic acinar adenocarcinoma with foamy cytoplasm, as well as adenocarcinoma with posthormonal therapy effect, particularly androgen deprivation therapy. (medscape.com)
  • Well differentiated adenocarcinomas tend to resemble the glandular tissue that they are derived from, while poorly differentiated adenocarcinomas may not. (wikipedia.org)
  • Histopathology demonstrated high-grade adenocarcinoma with a well-differentiated glandular component alongside a poorly differentiated sarcomatoid region. (lsuhsc.edu)
  • Adenocarcinoma of the ceruminous glands is a rare malignancy arising from the glands of the external auditory canal. (peertechzpublications.com)
  • Radiation therapy can be used to treat excised ceruminous gland adenocarcinomas in dogs and cats, with a 56% 1-year survival rate reported. (merckvetmanual.com)
  • Foamy gland carcinoma of the prostate features cells with abundant finely vacuolated cytoplasm and pyknotic hyperchromatic nuclei. (medscape.com)
  • The submandibular glands produce both serous and mucous saliva. (medscape.com)
  • This kind starts in the cells that line the ducts (or tubes) of the prostate gland. (webmd.com)
  • A number of different cellular signaling and regulatory systems in the acini and ducts are involved with saliva formation when the glands are stimulated by gustatory, masticatory, and psychic stimulation. (medscape.com)
  • Cervical cancer has multiple histologic subtypes, with squamous cell carcinoma (SCC) accounting for approximately 75% of cases and invasive adenocarcinoma accounting for 10% to 15% of cases. (medscape.com)
  • Primary ductal adenocarcinoma of the lacrimal gland with sarcomatoid d" by Alise J. Aucoin, Harshvardhan Chawla et al. (lsuhsc.edu)
  • We describe a case of primary ductal adenocarcinoma of the lacrimal gland with novel histopathological characteristics corresponding to a biphasic growth course and provide a comprehensive genomic profile of this malignancy. (lsuhsc.edu)
  • This represents the first report of sarcomatoid differentiation in primary ductal adenocarcinoma of the lacrimal gland, which may incite hyperacute progression. (lsuhsc.edu)
  • Ductal adenocarcinoma. (webmd.com)
  • It results from extension to the epidermis of an underlying ductal adenocarcinoma of the breast. (msdmanuals.com)
  • By approximately 1850, the focus shifted toward dissection and the intimate relation between the facial nerve and the parotid gland. (medscape.com)
  • In 1958, Beahrs and Adson eloquently described the relevant anatomy and surgical technique of current parotid gland surgery. (medscape.com)
  • [ 7 ] They stressed surgical landmarks for avoiding injury to the main trunk and branches of the facial nerve and advocated complete removal of the superficial portion of the parotid gland for noninvasive lesions confined to that portion of the gland. (medscape.com)
  • The parotid gland is situated in the musculoskeletal recess formed by portions of the temporal bone, atlas, and mandible, along with their related muscles. (medscape.com)
  • At rest, the parotid glands, located anterior to the ears, produce approximately 25% of oral saliva. (medscape.com)
  • [ 7 ] age-related decline in saliva output was found to occur in the stimulated parotid, unstimulated submandibular/sublingual, and stimulated submandibular/sublingual glands. (medscape.com)
  • Epithelial tissue sometimes includes, but is not limited to, the surface layer of skin, glands, and a variety of other tissue that lines the cavities and organs of the body. (wikipedia.org)
  • Adenocarcinomas can arise in many tissues of the body owing to the ubiquitous nature of glands within the body, and, more fundamentally, to the potency of epithelial cells. (wikipedia.org)
  • Mammary adenocarcinoma with epithelial to mesenchymal transition, immunohistochemistry for keratins 8/18: there is strong cytoplasmic labeling of most spindloid cells for keratins 8/18. (jax.org)
  • K17 was not detected in the epithelial cells of benign glandular lesions, but groups of cuboidal cells, residing beneath the epithelial layer of benign glands, were frequently positive for K17, especially in cases of microglandular hyperplasia. (medscape.com)
  • A differentiated thyroid gland carcinoma that has_material_basis_in follicular cells. (jax.org)
  • An orbital computerized tomography scan showed an inhomogeneous mass in the right lacrimal gland region without bone involvement. (eyehospital.nl)
  • Whole Exome Sequencing of Lacrimal Gland Adenoid Cystic Carcinoma. (cdc.gov)
  • the remaining SGTs arise in the submandibular, sublingual, and minor salivary glands. (medscape.com)
  • The sublingual glands, under the tongue, produce about 5% of the total oral saliva. (medscape.com)
  • Additional research suggests that changes may occur in the viscoelasticity of saliva with aging, particularly in saliva produced by the submandibular and sublingual glands. (medscape.com)
  • [ 1 ] This article reviews basic salivary anatomy and physiology, several important diseases affecting the glands, salivary constituents as measures of health, trends in diagnosis, and the management of xerostomia and drooling. (medscape.com)
  • Sometimes adenomas transform into adenocarcinomas, but most do not. (wikipedia.org)
  • The gastroenterologist uses a colonoscopy to find and remove these adenomas and polyps to prevent them from continuing to acquire genetic changes that will lead to an invasive adenocarcinoma. (wikipedia.org)
  • Type P mammary adenocarcinoma, immunohistochemistry for keratins 8/18: cytoplasmic labeling for keratins 8/18 is moderate for the large acidophilic cells and weak for most of the small basophilic cells. (jax.org)
  • Cases of endocervical adenocarcinoma (n = 90), adenocarcinoma in situ (AIS) (n = 32), benign glandular lesions (n = 36), and normal endocervical mucosa (n = 5) were selected from Stony Brook Medicine and the University of Massachusetts from 2002 to 2013. (medscape.com)
  • Although p16 INK4a has been well established as sensitive and accurate diagnostic biomarker for endocervical adenocarcinoma in situ and invasive adenocarcinoma in histologic sections and in cervical cytology specimens, clinical and diagnostic features alone have limited power to predict the survival of patients with endocervical adenocarcinoma. (medscape.com)
  • Fig. 2: Establishment of snake venom gland organoids from primary tissue. (nature.com)
  • Tissue section of human prostate containing adenocarcinoma that has been immunostained for the cell-surface antigen CD75s. (cellimagelibrary.org)
  • A cancer that develops in gland-forming tissue. (ucsfhealth.org)
  • Using tissue microarrays and full tissue sections of normal and 448 neoplastic tissues, HE4 immunoreactivity was found in normal glandular epithelium of the female genital tract and breast, the epididymis and vas deferens, respiratory epithelium, distal renal tubules, colonic mucosa, and salivary glands, consistent with HE4 gene expression. (nature.com)
  • The salivary glands exist as larger named "major" glands and also as many widely dispersed "minor" glands that exist throughout the upper aerodigestive submucosa (ie, palate, lip, pharynx, nasopharynx, larynx, and parapharyngeal space). (medscape.com)
  • The minor salivary glands comprise 600-1000 small glands distributed throughout the upper aerodigestive tract. (medscape.com)
  • In the multicellular theory, each tumor type is associated with a specific differentiated cell of origin within the salivary gland unit. (medscape.com)
  • That is, as the size of the gland decreases, the incidence of malignancy of a tumor in the gland increases in approximately these proportions. (medscape.com)
  • Mucoepidermoid carcinoma is the most common salivary gland malignancy in children. (medscape.com)
  • Skene's (periurethral) gland carcinoma is a rare neoplasm accounting for less than 0.003% of all genital tract malignancies in females. (nih.gov)
  • Generally, adenocarcinomas of the female urethra are assumed to arise from the periurethral glands, the female homologue of the prostate. (nih.gov)
  • Perhaps this signifies different biologic processes in the development of Skene's/periurethral and urethral adenocarcinomas in females. (nih.gov)
  • Therefore, preoperative and postoperative monitoring of serum PSA titers in patients with adenocarcinomas of the female urethra or periurethral glands (or both) should be considered. (nih.gov)
  • Skene's (periurethral) gland adenocarcinoma is very rare, with only 7 cases reported in the literature. (johnshopkins.edu)
  • Polymorphous low-grade adenocarcinoma (PLGA) is a malignant tumor which occurs predominantly in minor salivary glands and exhibits low tendency for aggressive behavior and metastatic spread. (bvsalud.org)
  • A good rule of thumb is that the likelihood of an SGT being malignant is inversely proportional to the size of the gland from which it originates. (medscape.com)
  • She said that I had aggressive form of cervical cancer, an adenocarcinoma, which ultimately turned out to be Stage 1B1 cervical cancer. (cdc.gov)
  • [ 5 ] It has been shown that histologic type is an independent prognostic factor in cervical cancer, with adenocarcinoma subtypes being associated with a poorer prognosis compared with SCC. (medscape.com)
  • Although screening programs have been very effective in decreasing the incidence of SCC by as much as 80%, [ 8 ] studies have shown a contrasting increase in the incidence of cervical adenocarcinoma, particularly in younger women. (medscape.com)
  • This type of stomach cancer develops in gland forming cells in the stomach lining. (utah.edu)
  • A case of Skene's gland adenocarcinoma without mucosal urethral involvement is presented. (nih.gov)
  • They learned CAV3 is normally present in specialized cells -- called mucosal glands -- which are typically found beneath the surface of esophagus. (sciencedaily.com)
  • Several of the most common forms of cancer are adenocarcinomas, and the various sorts of adenocarcinoma vary greatly in all their aspects, so that few useful generalizations can be made about them. (wikipedia.org)
  • By staining the cells from a biopsy, a pathologist can determine whether the tumor is an adenocarcinoma or some other type of cancer. (wikipedia.org)
  • When these glands undergo a number of changes at the genetic level, they proceed in a predictable manner as they move from benign to an invasive, malignant colon cancer. (wikipedia.org)
  • Parathyroid cancer is a rare cancer that usually affects people in their forties or fifties and occurs in one of the four parathyroid glands. (medlineplus.gov)
  • In these cases, the cancer is described as hormonally functional because the parathyroid glands are producing excess hormone. (medlineplus.gov)
  • In most cases of parathyroid cancer, these genetic changes are acquired during a person's lifetime and are present only in certain cells in the parathyroid glands . (medlineplus.gov)
  • Since it is so rare, they did not know what to call it, so they called it sweat gland cancer. (cancer.org)
  • 2 Cancer of gland cells is known as adenocarcinoma . (cancerquest.org)
  • Adenocarcinoma of the bladder is very rare. (mayoclinic.org)
  • The prostate is a walnut-sized gland located in front of the rectum and just below the bladder. (cancerquest.org)
  • Coexisting foamy and nonfoamy adenocarcinoma with glandular differentiation devoid of basal cell lining is helpful in clarifying their malignant nature. (medscape.com)
  • This retrospective study aimed to assess the concordance and interobserver variation between histopathologists in reporting prostatic adenocarcinoma using material obtained from prostatic core biopsy specimens. (who.int)
  • A total of 810 prostatic needle core biopsy specimens obtained from 100 patients with suspected prostatic adenocarcinoma were retrieved from the archival material at King Khalid University Hospital, Riyadh, and classified independently by 3 experienced histopathologists who were blinded to the original diagnosis. (who.int)
  • Cytology has good sensitivity and specificity for the diagnosis of adenocarcinoma, but if another tumour type is suspected, particularly mesothelioma, clinicians should be aware of the limitations," writes lead researcher, Dr. Paula Loveland. (survivingmesothelioma.com)