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Middle East Journal of Digestive Diseases، جلد ۷، شماره ۳، صفحات ۱۶۱-۰
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عنوان انگلیسی Gastrointestinal Stromal Tumors in Northeastern Iran: 46 Cases During 2003-2012
چکیده انگلیسی مقاله 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 tumors of the GI tract based on age, site of involvement, size of tumor, local invasion, and Immunohistochemical markers. The study was conducted in Mashhad University of Medical Sciences in Iran during 2003-2012. RESULTS Of the total 46 patients, 18 (39.1%) were men and 28(60.9%) were women with a mean age of 58.07 years (range: 18-93). Common sites of tumor were stomach, small intestine, esophagus and rectum, respectively. The number of mitoses per 50 HPF varied between zero and 160 mitoses. Overall, 23 cases had 5 mitoses 50/HPF (50%) and 23 tumors expressed < 5 mitoses/50 HPF (50%). Local invasion and metastasis were observed in seven cases with extension to liver, pancreas, pregastric tissue, omentum, mesentery and appendix .Positive reaction for CD34, S100, actin and desmin was seen in 47.8%, 13%, 21.7%, and 4.3% of the patients, respectively. CONCLUSION Most patients were women. The prevalence of tumors in the esophagus was higher than the rectum. Invasion and metastasis did not correlate with mitotic rate, site and size of tumor. We suggest evaluation of genetic, racial and geographical or other unknown risk factors.
کلیدواژه‌های انگلیسی مقاله Gastrointestinal stromal tumors, GIST, Iran
نویسندگان مقاله معصومه سالاری | masoumeh salari


میترا احدی | mitra ahady


سید موسی الرضا حسینی | seyed mousalreza hoseini


الهام مختاری | elham mokhtari


کامران gafarzadehgan | kamran gafarzadehgan


حمید رضا هاشمیان | hamid reza hashemian


بنیامین اسماعیلی | benyamin esmaeili


حسن وثوقی نیا | hassan vossoughinia


نشانی اینترنتی http://www.mejdd.org/index.php/mejdd/article/view/1513
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نوع مقاله منتشر شده Original Article
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