肿瘤大部分位于胰腺，多有完整包膜，不伴有胆总管扩张。
The tumor was mainly located in the pancreas with complete capsule, no common bile duct dilatation was accompanied.
目的评价内镜超声检查(EUS)对胆总管扩张的病因诊断价值。
Objective To detect the causes of common bile duct (CBD) dilation by endoscopic ultrasonography (EUS).
方法回顾性分析1985年1月至2004年1月我科手术治疗的38例先天性胆总管扩张症患者的资料，术后平均随访50个月。
Methods To analyse 38 cases with congenital choledochal cysts from January 1985 to January 2004. The average time of following-up was 50 months.
目的探讨腹腔镜胆总管球囊导管扩张术和扩张导管扩张术在处理胆管狭窄中的临床应用。
Objective To evaluate clinical application of laparoscopic papillary balloon dilatation and catheter dilatation in treating the bile duct stenosis.
结果超声内镜下胰头癌主要表现为边界不清晰（22/32）的低回声（21/32），伴有胆总管和胰管的扩张（19/36）、血管的侵犯（26/32）；
The tumor displayed the character of low echo (21/32), obscure boundary(22/32), vascular invasion (26/32), pancreatic duct and common bile duct dilation (19/36).
CT主要表现有软组织肿块、十二指肠肠壁局限性增厚和共同管、胆总管和胰管扩张等。
Ct features included masses of soft tissue, localized thickening of duodenal wall and expansion of common duct, common bile duct and pancreatic duct.
肿瘤大部分位于胰腺，多有完整包膜，不伴有胆总管和胰管扩张。
The tumor was mainly located in the pancreas with complete capsule, no common bile duct or pancreatic duct dilatation was accompanied.
胆管柱状扩张中P - B型较常见，胆管囊状扩张中b - P型较常见。ERCP检查对儿童胆总管囊肿诊断安全有效。
Type P-B in cylindrical dilatated bile duct is more common, ERCP in the diagnosis of choledochal cyst in children is safe and effective.
结果CT表现20例表现为肿块或体积增大，3例表现为低密度影，4例出现胆总管、胰管扩张；其中1例胰头癌仅表现为胰头增大。
Results:20 cases showed mass or bulk augmenting, 3 cases the low density, 4 cases the dilated pancreatic duct, 1 case the head of pancreas augment.
MRCP示胆总管胰腺段狭窄及其以上胆管扩张，胰管不规则狭窄。3例经激素治疗有效。
MRCP depicted irregular stenosis of pancreatic duct and dilation of hepatic duct above pancreas level.
MRCP示胆总管胰腺段狭窄及其以上胆管扩张，胰管不规则狭窄。3例经激素治疗有效。
MRCP depicted irregular stenosis of pancreatic duct and dilation of hepatic duct above pancreas level.
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