摘要:目的探讨磁共振胰胆管成像在阻塞性黄疸临床诊断中的应用价值。方法搜集临床高度怀疑为阻塞性黄疸、行常规MRI及MRCP检查后病例资料完整的患者120例,行回顾性分析。结果(1)良恶性胆系梗阻胆管扩张程度有显著差异;(2)从胆管扩张形态分析,枯枝状胆管扩张48例,良性胆系梗阻占79.2%(38/48);软藤状胆管扩张63例,恶性胆系梗阻占77.8%(49/63);串珠状胆管扩张6例,慢性胰腺炎占66.7%(4/6)。(3)从胆管梗阻部位末端形态分析,倒杯口状34例均为结石;截断状52例,良性4例,恶性48例;鼠尾状26例,良性15例,恶性11例。结论MRCP是一种有效诊断胆系梗阻的影像学检查技术,根据胆管扩张程度、扩张形态及梗阻部位的形态改变,能较准确地鉴别良、恶性梗阻。
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