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多种MRI技术诊断肝门区梗阻性黄疸的价值分析

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摘要 目的探讨多种MRI成像技术诊断肝门区梗阻性黄疸的价值。方法肝门区梗阻性黄疸27例,分别采用FLASHT1WI、FSET2WI、T1WI+FS及T2WI+FS、Gd-DTPA动态增强扫描等磁共振成像技术(MRI)和磁共振胰胆管造影(MRCP),分析其影像学特征。结果恶性梗阻15例中,有肝门区软组织肿块13例,其MRCP胆管梗阻端多突然中断、鼠尾状狭窄和(或)腔内不均匀充盈缺损信号,肝内胆管多出现中重度“软藤状”扩张;良性梗阻12例中,有肝门区软组织肿块1例,其MRCP胆管梗阻端多为杯口状、细线状或腔内略呈类圆形充盈缺损信号,肝内肝管呈轻中度扩张。结论多种MRI技术结合MRCP,对肝门区梗阻性黄疸的定位、定性具有重要诊断价值。
出处 《人民军医》 2006年第6期328-331,共4页 People's Military Surgeon
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