• Background: Gastrointestinal stromal tumors (GIST) are rare mesenchymal tumors that may mimic ovarian tumor on presurgical testing. (scirp.org)
  • Considering that only few patients with gastrointestinal stromal tumors have been reported in the obstetrical and gynecological literature, the awareness of such an entity by the obstetricians-gynecologists is necessary in order to facilitate coordinated approach with the general surgeons and oncologists for the optimal care of the patients. (scirp.org)
  • GISTs (Gastrointestinal stromal tumors) are most common mesenchymal neoplasms of gastrointestinal tract. (scirp.org)
  • 1% of all Gastrointestinal (GI) tumors and its incidence is approximately 10 - 20 per million people per year. (scirp.org)
  • Gastric schwannoma represent only 0.2% of all gastric tumors and 4% of all benign gastric neoplasms. (sages.org)
  • Gastric schwannomas are often misdiagnosed as malignant gastrointestinal stromal tumors (GIST) following EGD, EUS and PET/CT (Positron emission tomographic/computed tomographic) imaging. (sages.org)
  • Neuroendocrine neoplasms comprise an ever greater ratio of primary gastrointestinal tract tumors, thanks to the improving diagn. (nel.edu)
  • Gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) are a rare, heterogeneous group of tumors that originate from the endocrine system of the gastrointestinal tract and pancreas. (karger.com)
  • However, the continuous knowledge which was added by studying these tumors for nearly a century strengthen the notion that the above term was inaccurate or inadequate to describe several parameters of this heterogeneous group of gastrointestinal tumors (including the appendiceal one). (wjgnet.com)
  • PJS is autosomal-dominant condition caused by mutations of STK11, characterized by gastrointestinal polyposis, mucocutaneous pigmentation, and predisposition to a range of epithelial cancers: including colorectal, gastric, pancreatic, breast, ovarian cancers and sex cord tumors with annular tubules). (cancerindex.org)
  • Smooth muscle tumors represent the second most common mural mesenchymal neoplasm in the gastrointestinal tract, but established criteria for prognostic assessment of these tumors are lacking. (elsevierpure.com)
  • A large cohort of surgically resected intramural gastrointestinal smooth muscle tumors from 31 institutions was analyzed to identify potential prognostic features. (elsevierpure.com)
  • Pancreatic neuroendocrine neoplasms (pNENs) are an increasingly common group of malignancies that arise within the endocrine tissue of the pancreas. (rarediseases.org)
  • Gastroenterology and Hepatology is the first journal to cover the latest advances in pathology of the gastrointestinal tract, liver, pancreas, and bile ducts, making it an indispensable tool for gastroenterologists, hepatologists, internists and general practitioners. (elsevier.es)
  • GPC3 is currently used as an immunohistochemical marker for HCC, but its expression in epithelial neoplasms of the gastrointestinal (GI) tract and pancreas, a common source of liver metastasis, has not been studied in detail. (elsevierpure.com)
  • In this study, we examined GPC3 immunoreactivity in 98 neoplasms of the GI tract including 30 adenocarcinomas (ADCA), 29 squamous cell carcinomas (esophageal and anal), and 39 neuroendocrine carcinomas, and 60 neoplasms of the pancreas including 22 ADCA, 26 pancreatic neuroendocrine neoplasms, and 12 pancreatic acinar cell carcinomas. (elsevierpure.com)
  • Most cystic lesions of the pancreas are inflammatory pseudocysts, but approximately 10% are cystic neoplasms. (medscape.com)
  • He underwent an en bloc resection, and pathological findings concluded to a metastasis of a pulmonary combined small cell carcinoma and adenocarcinoma. (hindawi.com)
  • Secondary neoplasm refers to any of a class of cancerous tumor that is either a metastatic offshoot of a primary tumor, or an apparently unrelated tumor that increases in frequency following certain cancer treatments such as chemotherapy or radiotherapy. (wikipedia.org)
  • In modern English, tumor is used as a synonym for neoplasm (a solid or fluid-filled cystic lesion that may or may not be formed by an abnormal growth of neoplastic cells) that appears enlarged in size. (wikipedia.org)
  • Some neoplasms do not form a tumor - these include leukemia and most forms of carcinoma in situ. (wikipedia.org)
  • Nonfunctioning neuroendocrine neoplasms can still cause symptoms relating to tumor size and location such as obstruction or internal bleeding. (rarediseases.org)
  • Case Report: We reported a case of 55-year-old post menopausal woman who presented to us as ovarian mass which turned out to be malignant epithelioid gastrointestinal stromal tumor intraoperatively and by immunohistochemistry. (scirp.org)
  • Our case was also presented as ovarian mass which turned out to be malignant epithelioid gastrointestinal stromal tumor intraoperatively and by immunohistochemistry. (scirp.org)
  • Histopathology report showed the retroperitoneal mass to be a malignant epithelioid gastrointestinal tumor. (scirp.org)
  • Histologically the tumor showed the mass to be a malignant epitheioid gastrointestinal stromal tumor with mitoses in 8 - 9 of 10 high-power fields ( Figure 1 ). (scirp.org)
  • 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 There are previous reports of biliary tract disease metastastic to a hernia sac, but none of them has the gallbladder as a primary tumor. (ispub.com)
  • With this case report, we highlight the infrequent presentation of a carcinoid tumor with important gastrointestinal bleeding as well as the role of EUS on the evaluation of gastric subepithelial lesions. (spg.pt)
  • The granular cell tumor is an uncommon benign tumor occurring in several parts of the body, being found normally in the maxilla, skin and gastrointestinal or respiratory tracts. (bvsalud.org)
  • Neuroendocrine neoplasms (NETs), are defined as epithelial neoplasms with predominant neuroendocrine differentiation and represent less than 1% of gastric neoplasms. (spg.pt)
  • Hematologic malignancies are most commonly associated with paraneoplastic pemphigus, although it can also be associated with carcinomas, sarcomas, and benign neoplasms. (medscape.com)
  • 18 With the exception of the ovarian neoplasms, the same carcinomas analyzed for gene expression were also examined for HE4 by immunohistochemistry on tissue microarrays (see below). (nature.com)
  • Although most (7/12, 58.5%) acinar cell carcinomas were GPC3 positive, pancreatic ADCA and neuroendocrine neoplasms were GPC3 negative. (elsevierpure.com)
  • In addition, 27.5%, (8/29) of squamous cell carcinomas, 20% (6/30) of ADCA, and 2.5% (1/39) of neuroendocrine carcinomas of the GI tract were immunoreactive for GPC3. (elsevierpure.com)
  • In conclusion, 14% of GI tract and pancreatic carcinomas/neoplasms (particularly pancreatic acinar cell carcinoma) can express GPC3 by immunohistochemistry. (elsevierpure.com)
  • This Clinical Policy Bulletin addresses treatment approaches for liver and other neoplasms. (aetna.com)
  • Percutaneous ethanol injection (PEI) for liver neoplasms when criteria above are not met. (aetna.com)
  • Consultations for gastrointestinal tract, liver, and pancreatic biopsy and research specimens. (weillcornell.org)
  • Most cases of paraneoplastic AN involve an adenocarcinoma,[5] most commonly one arising in the gastrointestinal tract (stomach or liver[3] ) and less commonly in the lungs, ovaries, uterus, breasts, kidneys, prostate or bladder. (medscape.com)
  • It has been used to treat hepatic metastases of gastrointestinal adenocarcinomas and for palliation in malignant neoplasms of the liver and gastrointestinal tract. (curehunter.com)
  • Patients with acute hepatic venous outflow tract obstruction do not have collateral hepatic blood flow, resulting in ischemic hepatitis that can rapidly progress to fulminant liver failure. (logicalimages.com)
  • Clinicians should be careful to exclude other etiologies of liver failure that can predispose patients to developing hepatic venous outflow tract obstruction that is either nonocclusive or not the primary etiology of the patient's liver failure. (logicalimages.com)
  • Gastrointestinal schwannomas are rare benign neoplasms that are distinctively unique when compared to soft-tissue and central nervous system mesenchymal neoplasms. (sages.org)
  • Findings from a 51-year-old immunocompetent woman with a benign neoplasm and Cryptosporidium baileyi pulmonary infection, Poland, 2015. (cdc.gov)
  • Like other pediatric cancers, those of the GI tract differ from corresponding cancers in adults in terms of histology, pathogenesis, and clinical presentation. (medscape.com)
  • Malignant neoplasms are also simply known as cancers and are the focus of oncology. (wikipedia.org)
  • ptic ulcer disease, GI motility disorders, pancreatic disease, cancers, and benign neoplasms throughout the gastrointestinal and biliary tract. (salary.com)
  • Endoscopic mucosal resection for early cancers of the upper gastrointestinal tract. (wikigenes.org)
  • Accurate pre-operative diagnosis of gastrointestinal schwannomas is often difficult due to the rarity of this condition. (sages.org)
  • Department of Digestive Tract Diseases, Medical University of Lodz. (who.int)
  • Budd-Chiari syndrome is hepatic venous outflow tract obstruction due to either primary vascular occlusion (thrombosis) or secondary occlusion from extrinsic compression (eg, malignancy). (logicalimages.com)
  • Chronic Budd-Chiari syndrome can present with cirrhosis , which often results from months or years of outflow tract obstruction and subsequent ischemic hepatic injury. (logicalimages.com)
  • Cancer in the body and tail may cause splenic vein obstruction, resulting in splenomegaly, gastric and esophageal varices, and gastrointestinal hemorrhage. (msdmanuals.com)
  • A neoplasm can be benign, potentially malignant, or malignant (cancer). (wikipedia.org)
  • Malignant neoplasms are commonly called cancer. (wikipedia.org)
  • Rarely there can be a metastatic neoplasm with no known site of the primary cancer and this is classed as a cancer of unknown primary origin. (wikipedia.org)
  • Combined modality therapy of gastrointestinal tract cancer / P. Schlag, P. Hohenberger, U. Metzger (eds. (who.int)
  • Gastrointestinal cancer / edited by Jerome J. DeCosse and Paul Sherlock. (who.int)
  • Affected organ systems include the integument, respiratory tract, and gastrointestinal tract. (medscape.com)
  • 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)
  • Although carcinoids can arise in various organs, gastrointestinal tract accounts for almost two thirds of the cases, representing gastric carcinoids (GCs) less then 10% of the total gastrointestinal affection. (spg.pt)
  • Budd-Chiari syndrome is readily diagnosed via abdominal ultrasound with Doppler flow demonstrating occlusive clot in the hepatic venous outflow tracts. (logicalimages.com)
  • Before and during hospitalization, the patient was in good physical condition, afebrile, and without signs or symptoms of pulmonary and gastrointestinal infection. (cdc.gov)
  • Neoplasms that arise from endocrine tissue may also secrete hormones, resulting in excessive levels of these hormones in the body and potentially a wide variety of symptoms. (rarediseases.org)
  • nonfunctioning neoplasms may produce hormones, but no systemic symptoms. (rarediseases.org)
  • Schwannomas are slow growing and usually asymptomatic but can present with a variety of symptoms, such as abdominal pain, dyspepsia, gastrointestinal bleeding, and an abdominal mass. (sages.org)
  • Schwannomas are rarely found in the gastrointestinal tract and can present wtih a variety of symptoms such as dyspepsia or abdominal pain. (sages.org)
  • Malignant cells were of glandular structure, consistent with a neoplasm. (ispub.com)
  • The gastroenteropancreatic (GEP) system is the site of origin of about two thirds of all neuroendocrine neoplasms (NENs) of the human body. (hunimed.eu)
  • [ 2 ] We report a case of enterogenous cyst of probable foregut origin that appeared clinically as a pancreatic cystic neoplasm. (medscape.com)
  • Gangliocytic paraganglioma is an uncommon benign neurogenic tumour of the digestive tract that is usually located in the descending duodenum. (tmu.edu.tw)
  • Gastroenteropancreatic neuroendocrine neoplasm - a complex presentation in imaging methods. (nel.edu)
  • Rudnay M, Bateková M, Rjašková G, Dankovcik R, Lehotská V. Gastroenteropancreatic neuroendocrine neoplasm - a complex presentation in imaging methods. (nel.edu)
  • Pathologic features were assessed by expert gastrointestinal and/or soft tissue pathologists at each center. (elsevierpure.com)
  • The aim of this study was to assess practice trends among pathologists worldwide when reporting these neoplasms. (uninsubria.it)
  • A study was made of 117 patients who presented with gastrointestinal lymphoma. (nih.gov)
  • For lymphoid neoplasms, e.g. lymphoma and leukemia, clonality is proven by the amplification of a single rearrangement of their immunoglobulin gene (for B cell lesions) or T cell receptor gene (for T cell lesions). (wikipedia.org)
  • Extrapulmonary small-cell carcinoma (SCC) is a rare neoplasm that shares certain features with its pulmonary counterpart and occurs predominantly in the gastrointestinal tract (GIT). (mdpi.com)
  • In six cases, multiple sites in the gastrointestinal tract were involved, but in five cases this appeared to be secondary to massive mesenteric or retroperitoneal lymph node disease. (nih.gov)
  • Skeletal survey for secondary neoplasms, etc. (albertadoctors.org)
  • Primary gastrointestinal (GI) neoplasms in children are rare. (medscape.com)
  • Patients with underlying hypercoagulable states, most frequently myeloproliferative neoplasms, are at highest risk for primary Budd-Chiari syndrome, and multiple genes have been associated. (logicalimages.com)
  • Prevalence of nonpolypoid (flat and depressed) colorectal neoplasms in asymptomatic and symptomatic adults. (wikigenes.org)
  • El aislamiento en el espacio retroperitoneal del ligamento infundíbulo-pélvico durante la ooforectomía es la principal maniobra para prevenir su aparición. (bvsalud.org)