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증례 : 유암종(Carcinoid)과 선암이 공존한 위의 충돌종양 1예
이광재 ( Kwang Jae Lee ),김영수 ( Young Soo Kim ),함기백 ( Ki Baek Hahm ),김진홍 ( Jin Hong Kim ),조성원 ( Sung Won Cho ),임현이 ( Heon Yi Im ) 대한소화기학회 1997 대한소화기학회지 Vol.29 No.6
Carcinoid tumors display wider histologic spectrum than those we have previously known. The simultaneous association of a gastric carcinoid tumor with adenocarcinoma as a synchronous dual malignancy of the stomach in a same patient is extremely rare. The collison tumor, which is quite rare in the worldwide literature, means the simultaneous presence of separate tumor in the same patient, which is different from composite tumor. We report a case with collision tumor composed of adenocarcinoma and carcinoid tumor, which is extremely rare. The tumor mass was histologically diagnosed as adenocarcinoma by gastroscopic biopsy before operation. The operative specimen grossly disclosed two different types of tumor and was histologically identified as concurrent occurence of carcinoid tumor adjacent gastric adenocarcinoma.(Korean J Gastroenterol 1997;29:841-846)