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周围型胆管细胞癌CT诊断与鉴别诊断 被引量:1

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摘要 目的探讨周围型胆管细胞癌CT影像学征象。方法回顾性分析11例经手术病理证实周围型胆管细胞癌的CT表现,均行CT平扫加增强扫描。结果总结本组11例周围型胆管细胞癌的CT表现。胆管细胞癌CT特点:①肿瘤以单发为主,大多位于肝左叶。②肿瘤内或周围可见到扩张的胆管,其中以延迟强化区内见到扩张的胆管为其典型表现。③增强扫描,大部分肿瘤动脉期强化不明显,门脉期及延迟期可见到肿瘤不均匀强化,其中坏死区无强化。小部分肿瘤动脉期有强化。结论 CT检查对周围型胆管细胞癌具有重要诊断价值。动脉期肿瘤强化不明显,至平衡期肿瘤对比增强逐渐明显是典型周围型胆管细胞癌影像诊断要点,其他征象如肿瘤周围扩张胆管、肿瘤包埋胆管、附近肝叶萎缩和门静脉分支闭塞等均有一定诊断价值。术前CT多数能诊断,疑难者可MRI检查或穿刺活检,多种检查联合可做出正确诊断。胆管细胞癌需与肝细胞癌、肝脓肿、血管瘤鉴别。
出处 《中国卫生产业》 2012年第24期81-82,共2页 China Health Industry
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