原发性小肠恶性肿瘤较少见,我院自1973年至1982年十年间共遇到20例,现结合文献就其发生率、临床表现、诊断及治疗讨论如下。一般资料性别:男性13例女性7例。男女之比约为2∶1。年龄:最小25岁,最大70岁,平均41岁。肿瘤病理类型:腺癌10例,平滑肌肉瘤5例,淋巴肉瘤2例,网织细胞肉瘤1例,血管肉瘤1例,类癌1例。 Primary malignant tumors of the small intestine are rare, and we have encountered 20 cases in our hospital from 1973 to 1982. We discuss the incidence, clinical manifestations, diagnosis, and treatment of these diseases in the literature. General information Gender: Male 13 females 7 patients. The ratio between men and women is about 2:1. Age: Minimum 25 years, maximum 70 years, average 41 years old. Tumor pathological types: 10 cases of adenocarcinoma, 5 cases of leiomyosarcoma, 2 cases of lymphosarcoma, 1 case of reticulocyte sarcoma, 1 case of angiosarcoma, 1 case of carcinoid.