作者最近发现两例先天性胆总管囊肿病人在施行囊肿切除术后多年发生胆肠吻合口部位胆管癌。现报告如下。例１女，６９岁。于１１年前因胆总管囊肿行囊肿切除，空肠肝管袢式吻合术。近１周出现右上腹疼痛，发烧，全身发黄。于１９９０年９月住院。实验室检查：血胆红素５８... The authors recently found that two patients with congenital choledochal cysts developed cholangiocarcinoma at biliary and intestinal anastomosis sites after cystectomy. The report is as follows. Example 1 Female, 69 years old. 11 years ago, cyst resection and jejunal hepatic fistula anastomosis were performed for common bile duct cysts. In the past 1 week, there was pain in the right upper quadrant, a fever, and a yellow body. In hospital in September 1990. Laboratory tests: blood bilirubin 58...