Korean Journal of Gastrointestinal Endoscopy 1991;11(2): 307-310.
위에 발생한 원발성 편평세포선암 1예 ( A Case of Primary Adenosquamous Carcinoma of Stomach )
김신애, 이문성, 김진홍, 조성원, 심찬섭, 진소영, 이동화, 김재준, 김익수 (Sin Ae Kim, Moon Sung Lee, Jin Hong Kim, Sung Won Cho, Chan Sup Shim, So Young Jin, Dong Hwa Lee, Jae Jun Kim and Ik Soo Kim)
Abstract
Adenoaquamous carcinoma of stomach is a extremely rare malignant tumor which is composed of the mixed giandular-epidermoid neoplastic comyonnts. The pathogenesis of this neoplasm remains obscure and has various different theories, such as the origin of squamous components are island of ectopic squamous epithelium in the, gastric mucosa, squamous metaplasia of gastric epithelium, squamous differentiation in a preexisting adenocarcinoma, endotheliai cell differentiated toward squamous elements, and totipotential undifferentiated cells of the gastric mucosa. Primary adenosquamous carcinoma(ASC) was classified into two types, differentiated type adenocarcinomatous component(DAC) and undifferentiated type adenocarcinomatous component(UAC), according to the degree of glandular formation of the adenocarcinomatous elements. As a consequence, with respect to biologic behavior, ASC with DAC was similar to the differentiated type adenocarinoma, and ASC with UAC to the undifferentiated type adenocarcinoma. Accodingly, the behavioristic features of ASC seemed to be governed by the adenocarcinomatous component. We reported a case of primary gastric adenosquamous carcinoma with undifferentiated type adenocarcinomatous component.
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