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本文目的在于评价先天性胆管囊肿影像学诊断的价值及首选检查方法。所用的材料与方法是搜集６８例术前经腹部平片、胃肠钡餐检查、静脉胆道造影、ＥＲＣＰ、ＰＴＣ、Ｂ超、ＣＴ检查并经手术证实的病例行回顾性分析。结果是Ｂ超简单，可重复检查，阳性率７４．６％；ＣＴ能清晰显示胆管囊肿的部位，大小，类型。对Ｃａｒｏｌｉｓ病有特别价值，ＥＲＣＰ检查痛苦，对小儿不适宜；ＰＴＣ为创伤性检查，静脉胆道造影显示病变不隹；腹部平片，胃肠钡餐造影仅能显示病变间接征象。结论得出：对胆管囊肿的检查诊断，首选ＣＴ和Ｂ超，ＥＲＣＰ和ＰＴＣ，应该做为补充检查方法
The purpose of this paper is to evaluate the value of the imaging diagnosis of congenital cholangiocarcinoma and the preferred method of examination. The materials and methods used were retrospective analysis of 68 cases of preoperative abdominal plain film, gastrointestinal barium meal examination, venous cholangiography, ERCP, PTC, B ultrasound, CT examination confirmed by surgery. The result was B ultra-simple, repeatable examination, the positive rate of 74.6%; CT can clearly show the location, size, type of biliary cyst. Carolis disease has a special value, ERCP examination of pain, inappropriate for children; PTC for traumatic examination, venous cholangiography shows lesions; abdominal plain film, gastrointestinal barium meal angiography can only show indirect signs of lesions. Conclusions: The diagnosis of choledochal cyst, the preferred CT and B ultrasound, ERCP and PTC, should be used as a supplementary examination method