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原发性十二指肠恶性肿瘤较少见,仅占全部消化道癌瘤的0.35%,却占小肠恶性肿瘤的33～48%。在十二指肠恶性肿瘤中,发生在乳头周围的占65%,其组织类型81.4%为腺癌。在解剖学上,胆总管下段和胰管汇合成Vater 壶腹,并开口于十二指肠乳头,其组织结构较复杂,因此对腺癌的发生部位及组织来源的探讨具有重要的意义。现将我院1989年1月至1990年8月收治的5例十二指肠壶腹部周围癌予以报道。
Primary duodenal malignancies are rare, accounting for only 0.35% of all gastrointestinal cancers, but account for 33 to 48% of malignant tumors of the small intestine. In duodenal malignancies, 65% occurred around the nipple, and 81.4% of its tissue type was adenocarcinoma. Anatomically, the lower part of the common bile duct and the pancreatic duct converge into the Vater’s ampulla and open to the duodenal papilla, and its tissue structure is complex. Therefore, it is of great significance to investigate the location and origin of the adenocarcinoma. Now 5 cases of duodenal periampullary cancer admitted to our hospital from January 1989 to August 1990 were reported.