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目的 探讨ＥＲＣＰ后加做肝胆胰螺旋ＣＴ对胆胰疾病的诊断价值。方法 ３０ 例胆胰疾病所致的阻塞性黄疸，经ＥＲＣＰ造影后，立即行肝胆胰螺旋ＣＴ，采用三维成像技术中最大密度投影及表面掩盖法投影成像，以充分显示十二指肠壶腹部、胰头、总胆管及其周围情况。结果 ２４ 例胆总管结石、２ 例壶腹部恶性肿瘤、３ 例胰头部恶性肿瘤和１ 例胰头部囊肿，均经手术证实，无假阳性及假阴性。结论 ＥＲＣＰ结合螺旋ＣＴ三维成像应用于阻塞性黄疸，可获得清晰的胆胰影像，提高诊断正确率，是可靠的检查手段。
Objective To investigate the diagnostic value of hepatobiliary and pancreatic helical CT in the diagnosis of biliary and pancreatic diseases after ERCP. Methods Thirty patients with obstructive jaundice caused by biliary and pancreatic diseases were treated with ERCP and immediately underwent hepatobiliary and pancreatic helical CT imaging. The maximal density projection and surface masking projection imaging in three-dimensional imaging were used to fully display the ampulla of the duodenum, Pancreatic head, common bile duct and its surroundings. Results 24 cases of choledocholithiasis, 2 cases of ampullary malignant tumor, 3 cases of pancreatic head malignant tumor and 1 case of pancreatic head cyst were confirmed by operation without false positive and false negative. Conclusion ERCP combined with spiral CT three-dimensional imaging applied to obstructive jaundice can obtain a clear image of gallbladder and pancreas to improve the diagnostic accuracy, is a reliable means of inspection.