Korean J Gastrointest Endosc > Volume 39(1); 2009 > Article
Korean Journal of Gastrointestinal Endoscopy 2009;39(1): 42-45.
출혈성 궤양을 동반한 십이지장의 위장관 간질종양 1예
관동대학교 의과대학 내과학교실, *외과학교실, 병리학교실
A Case of a Duodenal Gastrointestinal Stromal Tumor with a Bleeding Ulcer
Hyuk Jin Kwon, M.D., Hyeon Geun Cho, M.D., Myong Hwan Kim, M.D., Geun Jun Ko, M.D., Jin Ho Jeong, M.D.* and Ji Sun Song, M.D.
Departments of Internal Medicine, *Surgery and Pathology, Kwandong University College of Medicine, Goyang, Korea
Duodenal gastrointestinal stromal tumors (GISTs) are relatively rare tumors that commonly present with gastrointestinal bleeding. Evaluation with endoscopic ultrasonography (EUS) is a useful technique for the differential diagnosis of GISTs from other submucosal tumors. A 58-year-old man presented with melena and anemia. An esophago-gastroduodenoscopy showed the presence of a submucosal tumor in the second portion of the duodenum with central ulceration and a flat spot. EUS showed the presence of a suspicious malignant GIST that originated from the proper muscle layer, which was successfully resected. We report a case of a duodenal GIST with a bleeding ulcer. Positive reactivity for CD117 and S-100 was demonstrated by immunohistochemical staining. (Korean J Gastrointest Endosc 2009;39:42-45)
Key Words: Gastrointestinal stromal tumors, Duodenum, Hemorrhage, Endosonography
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