肝上皮样血管内皮瘤的超声造影和增强CT表现
Chinese Journal of Medical Imaging(2017)
Abstract
目的 分析肝上皮样血管内皮瘤(HEHE)的超声造影(CEUS)表现与增强CT表现特点.资料与方法 回顾性分析16例经病理证实为HEHE患者的CEUS和增强CT表现,其中5例行增强CT检查,8例行CEUS检查,3例同时行两种检查.结果 11例HEHE在CEUS上共选取14个病灶;在增强方式上,5个病灶表现为环状增强,9个病灶表现为整体增强;在增强时相上,与肝实质相比,动脉期11个病灶同步增强,3个病灶快速增强;达峰时,2个病灶呈高增强,9个病灶呈等增强,3个病灶呈低增强;全部病灶在门静脉期及延迟期减退呈低回声.8例HEHE在增强CT上共发现29个病灶;动脉期9个病灶(31.0%)表现为轻度不均匀强化,4个病灶(13.8%)未见明显强化,16个病灶(55.2%)表现为轻度边缘强化;所有病灶在延迟期持续轻度强化.结论 HEHE在CEUS和增强CT的表现各自具有特征性,两种检查方法对于HEHE均具有较高的诊断价值.
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Key words
Hemangioendothelioma,epithelioid,Liver neoplasms,Ultrasonography,Doppler,color,Contrast media,Tomography,X-ray computed,Image enhancement
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