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KMID : 0359020090390010042
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Korean Journal of Gastrointestinal Endoscopy
2009 Volume.39 No. 1 p.42 ~ p.45
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A Case of a Duodenal Gastrointestinal Stromal Tumor with a Bleeding Ulcer
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Kwon Hyuk-Jin
Cho Hyeon-Geun
Kim Myoung-Hwan
Ko Geun-Jun
Jeong Jin-Ho
Song Ji-Sun
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Abstract
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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-astroduodenoscopy 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.
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KEYWORD
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Gastrointestinal stromal tumors, Duodenum, Hemorrhage, Endosonography
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