1985年 1月至 1998年 1月我院共收治原发性十二指肠肿瘤 11例 ,现将诊治体会报告如下。 　　临床资料：本组男 5例，女 6例，年龄 39～ 71岁，平均年龄 57岁。病程 10天至 8个月，平均 2.4个月。临床表现有腹痛 8例，呕吐 6例，黄疸 3例。腹部包块 2例，黑便 1例。胃肠钡餐检查 From January 1985 to January 1998, 11 cases of primary duodenal tumors were treated in our hospital. The diagnosis and treatment experience is reported as follows. Clinical data: This group of 5 males and 6 females, aged 39 to 71 years, mean age 57 years. The disease duration ranged from 10 days to 8 months with an average of 2.4 months. Clinical manifestations include abdominal pain in 8 cases, vomiting in 6 cases, and jaundice in 3 cases. There were 2 cases of abdominal mass and 1 case of black stool. Gastrointestinal barium meal examination