【摘要】 本文回顾性分析了经手术和病理诊断的31例¹³¹碘-玫瑰红肝胆扫描资料,肯定了放射性核素显象对胆道梗阻的诊断价值。指出肝门区阳性图象（持续≥6小时）和肠道延迟显影,是诊断不完全性胆道梗阻及鉴别胆道梗阻与无梗阻的胆道扩张的重要特征;血液滞留指数<0.9和48小时肠道不显影是诊断完全性胆道梗阻的依据。更多还原

【Abstract】 The purpose of this retrospective study was to evaluate the effectiveness of (131)~Ⅰ rosebengal seanaing for the diagnosis of biliary tract obstruction.Thirty-one patients hadundergone radionuelide study,their final diagnosis was confirmed by surgery.In 26 pa-tients with incomplete or completebiliary obstruction,their radionuclide images were a11abnormal.The major diagnostic features of incomplete obstruction were the presence ofpositive pattern at the portal region lasting for 6hours or more,and delayed intestinalvisualization.This method could also be used for differentiation between bile duct ob-struction and the dilated duct without obstruetion.Identification of complete biliary ob-struction was based on that the blood retention index was less than 0.9 and there wasnoradioactive substance observed in the bowel as long as 48 hours after injection.更多还原