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MRI and Three-Dimensional Magnetic Resonance Cholangiopancreatography in the Diagnosis of Biliary Atresia in Infants
Author(s): 
Pages: 1876-1879
Year: Issue:  12
Journal: Journal of Clinical Radiology

Keyword:  MRCPMagnetic resonance imagingBiliary atresiaInfant;
Abstract: 目的 分析婴幼儿胆道闭锁的MRI及MRCP表现,评价MRI及MRCP对胆道闭锁的诊断价值.方法 回顾性分析16例经手术确诊为胆道闭锁患儿的MRI及MRCP资料,观察其胆囊、肝内外胆道、肝门部结构的显示情况,对比分析患儿的MRI及MRCP表现、术中所见和术中胆道造影表现.结果 16例患儿腹部MRI及MRCP像上肝外胆道系统均未完整显示,其中胆总管均未显示.胆囊小9例,其中2例伴有胆囊结石;胆囊形态正常者4例;胆囊未见显示2例;胆囊增大合并肝门部囊肿及结石1例.肝脏汇管区周围异常信号12例;MRI冠状位见肝门部三角形T2 WI水样高信号7例;12例肝脏增大.结论 MRI及MRCP中多方位观察均未发现完整的肝外胆道时,应高度怀疑胆道闭锁;此外,胆囊小或未显示、肝脏汇管区及肝门区周围异常信号改变也具有诊断意义.
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