نتایج جستجو برای: gastrointestinal stromal tumor
تعداد نتایج: 550404 فیلتر نتایج به سال:
BACKGROUND Extra-gastrointestinal stromal tumor is defined as a mesenchymal neoplasm arising from soft tissues outside the gastrointestinal tract. Prostatic extra-gastrointestinal stromal tumor has rarely been noted. CASE REPORT A 56 year-old man presented with pain in the anal region. A digital rectal examination revealed that the prostate was markedly enlarged with a smooth, bulging surface...
Received October 2009 Accepted November 2009 INTRODUCTION A gastrointestinal stromal tumor (GIST) is primarily located in the gastrointestinal tract. It is classified as a mesenchymal tumor that shows a CD117 (c-KIT)-positive mesenchymal spindle or epithelioid neoplasm. Tumors outside the gastrointestinal tract that were histologically similar to GISTs and showed immunopositivity for CD117 were...
background gastrointestinal stromal tumors (gist) are the most common mesenchymal tumors of the gastrointestinal (gi) tract. they are usually c-kit positive and seen slightly more common in men. these tumors are seen in the gi tract from the esophagus to the anus with occasional invasion or metastasis. method in this retrospective study, we evaluated the prevalence of c-kit positive stromal tum...
INTRODUCTION Gastrointestinal stromal tumor is the most common sarcoma of the gastrointestinal tract. We report a case of gastrointestinal stromal tumor in a small intestine, initially suspected for leiomyosarcoma given that gastrointestinal stromal tumors in young adult patients are limited due to their rarity. CASE PRESENTATION A 30-year-old Caucasian ethnic Albanian woman from Kosovo prese...
RATIONALE Gastrointestinal stromal tumor and mesenteric fibromatosis are rare mesenchymal tumors. Coexistence of these two diseases is uncommon, with only a few anecdotal reports of individuals. PATIENT CONCERNS Clinical data and treatment of a 43-year-old man with subsequent mesenteric fibromatosis from gastrointestinal stromal tumor are summarized. The Ethics Committee of The Second Affilia...
Gastrointestinal stromal tumors have a wide spectrum of biologic behavior, and occasional cases show liver metastases. The modified risk grade based on tumor size and mitotic counts has been proposed to predict the biologic behavior in gastric gastrointestinal stromal tumors. Blood vessel invasion (BVI) is important in the development of metastasis of various kinds of cancer. The aim of this st...
this report describes the histological and immunohistochemical features of a small intestinal tumor that resembled a human gastrointestinal stromal tumor (gists) in a seven-year-old male cross-breed dog. this was unique because of the expression of desmin by the tumor. grossly, the white-gray tumor measured 8.0 × 4.0 × 6.5 cm and was 760 gram in weight. it was cystic and enveloped the jejunum. ...
Desmoid tumors are one of the most common extracolonic manifestations of the familial adenomatous polyposis. However, other soft tissue tumors are seen rarely in patients with familial adenomatous polyposis, including gastrointestinal stromal tumor. There is only one case reported in the literature. We describe a 29-year-old female who developed ileal malignant gastrointestinal stromal tumor 15...
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