CAJ | 학술논문

目的探讨单纯性肝动静脉瘘(AVF)的多层螺旋CT(MSCT)动态增强结合CT血管造影(CTA)的表现特征.方法回顾性分析100例单纯性肝AVF患者的MSCT动态增强结合CTA表现.结果 100例增强动脉期均发现与单纯性肝AVF相关的阳性征象.其中周围型89例,中央型11例,共128个病灶.周围型表现为:(1)肝动脉期病灶所在肝叶边缘出现楔形或片状强化区,呈“晕征”68例,其中门静脉早显56例;(2)肝动脉期门静脉分支呈线条状显影与肝动脉伴行,即“轨道征”21例.中央型表现为肝动脉期门静脉(或者肝静脉)主干和/或左右第1级分支见提前显影.结论 MSCT动态增强扫描及CTA对单纯性肝AVF的诊断具有重要价值.
목적 탐토단순성간동정맥루(AVF)적다층라선CT(MSCT)동태증강결합CT혈관조영(CTA)적표현특정.방법 회고성분석100례단순성간AVF환자적MSCT동태증강결합CTA표현.결과 100례증강동맥기균발현여단순성간AVF상관적양성정상.기중주위형89례,중앙형11례,공128개병조.주위형표현위:(1)간동맥기병조소재간협변연출현설형혹편상강화구,정“훈정”68례,기중문정맥조현56례;(2)간동맥기문정맥분지정선조상현영여간동맥반행,즉“궤도정”21례.중앙형표현위간동맥기문정맥(혹자간정맥)주간화/혹좌우제1급분지견제전현영.결론 MSCT동태증강소묘급CTA대단순성간AVF적진단구유중요개치.
Objective To study the radiological features of dynamic enhanced multi-slice spiral CT (MSCT) and CTA in pure hepatic arterio-venous fistula (AVF).Methods The radiological features of MSCT imaging and CTA of 100 patients with pure hepatic AVF were retrospectively analyzed.Results Positive signs on the arterial phase were detected in 100 patients with pure hepatic AVF.In 89 patients,they were the peripheral type and in 11 patients they were the central type.There were 128 lesions in the 100 patients.In the peripheral type,the features were (1) in the arterial phase,the lesions appeared as a wedged or a patchy enhancement area at the edge of the liver,showing a "halo sign" in 68 patients.In 56 patients,the PV was shown also in the early arterial phase;(2) in the arterial phase,a " railway track sign" was shown in 21 patients as a result of a portal vein branch showing right next to a hepatic arterial branch.In the central type and in the arterial phase,the main portal vein (or the hepatic vein) and the left/right branches of the PV (or the HV) were shown.Conclusion MSCT and CTA were useful in the diagnosis of pure hepatic AVF.