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细菌性肝脓肿的CT诊断

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Author:
No author available
Journal Title:
WORLD CHINESE JOURNAL OF DIGESTOLOGY
Issue:
3
DOI:
10.3969/j.issn.1009-3079.2003.03.028
Key Word:
No keyword available

Abstract: 目的:研究细菌性肝脓肿的CT平扫和增强扫描表现,并同阿米巴性肝脓肿相鉴别.方法:回顾分析了 52例手术、穿刺抽吸或临床证实的细菌性肝脓肿病例的CT资料,52例均行CT平扫,35例行增强扫描;另收集34例阿米巴性肝脓肿的CT资料,对比分析细菌性肝脓肿的CT特征,并与阿米巴性肝脓肿相鉴别.结果:细菌性肝脓肿因病变阶段不同而有不同的CT表现,典型CT表现为低密度囊样结构,脓肿壁较厚,增强扫描脓肿壁强化较明显而脓腔不强化.不典型者CT平扫表现为低密度肿块,增强扫描可见不均匀强化,下列征象有助于鉴别诊断:(1)肿块缩小征,(2)周围充血征,(3)"簇状征",(4)"花瓣征",(5)延时强化征.结论:细菌性肝脓肿CT表现变异较大,增强扫描有一定特征性,本文归纳出不典型细菌性肝脓肿的5个征象,有助于同阿米巴性肝脓肿和肝脏其他占位病变的鉴别诊断.

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