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土三七致肝小静脉闭塞病的低场MRI诊断价值

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摘要 目的探讨土三七致肝小静脉闭塞病的低场MRI表现及对本病的诊断价值。方法 回顾性分析11例资料完整并经病理或临床确诊的肝小静脉闭塞症患者的低场MRI资料总结其表现,结果本组患者肝脏体积增大,中等量腹水,MRI平扫T1WI信号减低,T2WI信号增高。增强扫描门静脉期肝实质强化不均匀,呈斑片状高低信号,肝叶段静脉腔内对比剂充盈不良,肝段下腔静脉受压变细.但肝段外腔静脉远端未见明显扩张及侧支形成.结论土三七致肝小静脉闭塞症的低场MRI表现有一定特征性,结合病史和临床表现和可提示本病影像学诊断。
作者 徐小林
出处 《浙江临床医学》 2015年第7期1194-1195,共2页 Zhejiang Clinical Medical Journal
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