Korean J Gastrointest Endosc > Volume 39(3); 2009 > Article
Korean Journal of Gastrointestinal Endoscopy 2009;39(3): 162-165.
위장관간질종양으로 오인한 위선암 1예
성균관대학교 의과대학 강북삼성병원 내과, *응급의학과
A Case of Gastric Adenocarcinoma Mimicking a Gastrointestinal Stromal Tumor
Sung Youn Choi, M.D., Seung Hun Jang, M.D., Jae Hoon Min, M.D., Tae Wan Kim, M.D., Ji Ae Lee, M.D., Sun Jeoung Byun, M.D. and Byoung Kwon Ghim, M.D.*
Departments of Internal Medicine and *Emergency Medicine, Kangbuk Samsung Medical Center, Sungkyunkwan University College of Medicine, Seoul, Korea
Gastric adenocarcinoma is the second most common cause of cancer death worldwide, but there are some geographical differences in its incidence. Gastointestinal stromal tumor (GIST) is an uncommon disease with a wide spectrum of aggressive behavior. These two tumors have a distinct pathogenesis. GIST is frequently identified as an incidental lesion found by routine endoscopy or in resection specimens that are removed for other reasons. We report a case of a gastric adenocarcinoma mimicking GIST in a 79-year-old woman. GIST was suggested by endoscopic ultrasonography and computed tomography scanning, but gastric adenocarcinoma was confirmed by gastroduodenoscopic biopsy. We performed a subtotal gastrectomy with Billroth I, lymph node dissection and transverse colon segmentectomy, and a 15.0×7.5×5.5 cm-sized gastric tumor was confirmed pathologically. Immunohistochemistry was positive for carcinoembryonic antigen and focal weakly positive for cytokeratin7 and cytokeratin20. (Korean J Gastrointest Endosc 2009;39:162-165)
Key Words: Gastrointestinal stromal tumor, Gastric adenocarcinoma
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