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肝脏胆管细胞癌的CT和MRI诊断 被引量:3

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摘要 目的:探讨肝内胆管细胞癌的CT和MRI表现及其特征。方法:回顾性分析经病理证实的16例肝内胆管细胞癌CT平扫和三期增强扫描,其中8例行MRI平扫和动态增强扫描。结果:CT平扫13个病灶呈低密度,1个病灶呈高密度,3个病灶未能显示。CT动态增强扫描,12个病灶周边不完整薄环状或厚环状增强,3个病灶均匀增强呈高密度,2个病灶呈等密度;延迟期6个病灶不定形轻度增强呈低密度,8个病灶明显增强,呈相对低密度,3个病灶呈等密度,此期病变检出率为100%。8例病灶MRI平扫T1WI呈低信号,T2WI呈高信号或略高信号;动态增强扫描6例病灶表现为缓慢增强型,2例病灶表现为快速增强型。结论:肝内胆管细胞癌螺旋CT动态增强扫描及MRI动态增强扫描均具有一定的特异性,对肝内与其它病变的鉴别诊断均有重要价值。
作者 张善红
出处 《医学理论与实践》 2007年第12期1448-1449,共2页 The Journal of Medical Theory and Practice
关键词 胆管细胞癌 CT MRI
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