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Intest Res > Volume 11(2); 2013 > Article
Intestinal Research 2013;11(2):113-119.
DOI: https://doi.org/10.5217/ir.2013.11.2.113    Published online April 30, 2013.
A Clinical Analysis of Gastrointestinal Stromal Tumors in Small Intestine: Comparison of Bleeding and Non-bleeding Group
Sang Jin Lee, Jong Kyu Park, Hyun Il Seo, Koon Hee Han, Young Don Kim, Woo Jin Jeong, Gab Jin Cheon, Jae Seok Song
Department of Internal Medicine, Gangneung Asan Hospital, Ulsan University College of Medicine, Department of Preventive Medicine and Public Health, Kwandong University College of Medicine, Gangneung, Korea
소장에 발생한 위장관간질종양의 임상 특성: 출혈군과 비출혈군 비교
이상진, 박종규, 서현일, 한군희, 김영돈, 정우진, 천갑진, 송재석
Abstract
Background/Aims
Gastrointestinal stromal tumors (GIST) in the small intestine are rare and can cause bleeding. The study investigated the clinical characteristics of GIST in the small intestine and to determine the factors related to gastrointestinal bleeding. Methods: We retrospectively evaluated the clinical outcomes of 22 patients with small bowel GIST who were pathologically diagnosed at Gangneung Asan Hospital between March 1997 and August 2012. Results: The median age was 63.5 (38-82) years. Nine patients (40.9%) had gastrointestinal bleeding, five patients (22.7%) had abdominal pain, two patients (9%) had palpable mass. The site of tumor was the duodenum in nine cases (40.9%), jejunum in 7 cases (31.8%), and ileum in six cases (27.3%). Most patients underwent small bowel resection or wedge resection but three patients underwent pancreaticoduodenectomy. Tumor size ranged from 1.6 to 19 cm (median 6.5 cm). The median mitotic rate was 2 (0-50)/50 high power fields (HPF). The median mitotic rate was 2 (0-50)/50 HPF. Five patients (25%) showed recurrence. Gender, aspirin or warfarin use, size and mitotic index of tumor, hospital stay, recurrence and survival were not significantly different between bleeding and non-bleeding group. Bleeding group showed older age, proximal location in small intestine and mucosal ulceration significantly. Conclusions: Small bowel GISTs with bleeding were marked by older age, mucosal ulceration and location of proximal small bowel (duodenum and jejunum) rather than distal small bowel (ileum). (Intest Res 2013;11:113-119)
Key Words: Gastrointestinal stromal tumors, Small intestine, Gastrointestinal hemorrhage
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