肝脏外周型胆管细胞癌的MRI诊断
Modern Medical Imagelogy(2005)
Abstract
目的:探讨肝脏外周型胆管细胞癌的MRI表现及其诊断价值。材料与方法:回顾性分析15例经手术及病理证实的胆管细胞癌的MRI表现特点,并与病理对照。结果:15例周围型肝内胆管细胞癌MRI主要表现为不规则浸润性肿块,其中11例病变位于肝左叶区,4例位于肝右叶。15例病变于T1WI均呈低信号,13例于T2WI呈不均质性高信号,2例于T2WI呈较均质性略高信号。增强扫描显示早期病灶强化不明显,或肿瘤边缘及肿瘤实质部分轻微强化,门脉期和延迟扫描肿瘤进一步强化。结论:外周型胆管细胞癌的MRI表现有一定特点,动态增强扫描是诊断的关键技术,早期边缘强化、延迟后肿瘤进一步强化是其影像诊断重要依据。
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Key words
Peripheral cholangiocellular carcinoma Magnetic resonance imaging Pathology
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