肝血管瘤超声造影表现

Contrast-enhanced ultrasound patterns in hepatic hemangioma

目的:探讨肝血管瘤超声造影(contrast enhanced ultrasound,CEUS)的表现。方法:应用对比剂Sonovue及对比脉冲序列成像(contrast pulse sequenuce sound,CPS)技术对25例28个肝血管瘤进行超声造影检查,观察对比剂在动脉期、门脉期及延迟期的增强表现。结果:26个(92.9%)病灶动脉期呈环状增强伴附壁结节或球状突起,门脉期呈缓慢向心性充填,21个病灶呈完全充填,5个病灶呈不完全充填,延迟期与周围肝实质期比呈相对高增强;另2个(7.1%)病灶动脉期、门脉期及延迟期均无增强。结论:超声造影肝血管瘤的典型增强表现为动脉期环状增强,门脉期缓慢向心性充填,延迟期呈高增强。

Objective： To investigate contrast-enhanced ultrasound （CEUS） patterns in hepatic hemangioma（HHE）. Methods： 25 cases with 28 hepatic hemangiomas underwent contrast-enhanced ultrasound examination by using contrast pulse sequence （CPS） and contrast medium. Enhancement patterns of hemangioma were observed in the arterial phase, portal phase and delay phase. Results：26 （92.9%） hepatic hemangiomas showed strong peripheral enhancement accompanied with globular appearance in the arterial phase. In the portal phase, hemangiomas showed a tendency of centripetal filling completely or incompletely, in the delay phase hemangiomas tended to appear relatively hyperechogenic in comparison with the surrounding hepatic parenchyma. The other 2 （7.1%） hepatic hemangiomas only showed an echogenic in all phases. Conclusion： The typical characteristic enhancement pattern of hepatic hemangioma in contrast-enhanced ultrasound is strong peripheral enhancement in the arterial phase, slow centripetal enhancement in the portal phase and relatively hyperechogenic in the delay phase.