위 밖으로 성장한 위장관 간질종양 1예
A case of gastrointestinal stromal tumor of the stomach showing exophytic growth
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초록
저자들은 전산화 단층촬영, 상부위장관 내시경, 내시경 초음파를 통해 위 밖으로 자라는 종괴를 확인하고 수술적 제거 후 면역조직화학염색을 통해 비교적 드문 형태의 위 밖으로 성장하고 특히 낭성변화를 동반한 GIST를 확진할 수 있었던 1예를 경험하였기에 문헌고찰과 함께 보고하는 바이다.
Abstract
Gastroinstestinal stromal tumors (GISTs) are defined as a group of KIT (CD117) positive mesenchymal tumors. Approximately 70% of those tumors are found in the stomach followed in order by the small bowel, colon and rectum, esophagus. The common clinical presentation of GISTs varies according to the size and location of the tumors, ranging from massive gastrointestinal bleeding to vague abdominal pain. We detected a GIST of the stomach incidentally during chest-computed tomography examination of a 68-year-old-woman. Esophagogastroduodenoscopy showed an 8 cm sized protruded lesion with normal mucosal covering on the posterior wall of the gastric body, and endoscopic ultrasonography showed a cystic mass originating in the fourth layer of the stomach. The patient was treated with a subtotal gastrectomy. Immunohistochemical studies on the surgical resection specimen showed CD117(+) and CD34(+). The final diagnosis was a GIST of the stomach showing exophytic growth.(Korean J Med 71:662-667, 2006)
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