CAIPIRINHA-Dixon-TWIST-VIBE技术诊断小肝癌的研究进展

早期小肝癌（SHCC）可通过外科及介入手术根治，提高患者的生存率，因此影像学准确诊断SHCC的意义重大。目前MR增强扫描单次屏气下只能行动脉期成像，且扫描时间较长，存在呼吸运动伪影，易漏诊动脉早期一过性强化的SHCC。CAIPIRINHA-Dixon-TWIST-VIBE（CDT-VIBE）技术可在较短的扫描时间内获得多组高质量的动脉期及动脉主导期图像，不仅可发现其他检查不易发现的小病灶，还可显示不同病灶起始强化的差异，有利于判断病灶性质及血供特点，对SHCC的诊断及治疗具有较高的临床价值。本文对CDT-VIBE序列诊断SHCC的研究进展进行综述。

Progresses of CAIPIRINHA-Dixon-TWIST-VIBE in diagnosis of small hepatocellular carcinoma

Early small hepatocellular carcinoma (SHCC) can be cured by surgery and interventional operation to improve the survival rate of paitents,so the accurate diagnosis of SHCC is of great significance.Presently,the dynamic contrast-enhanced MR scan could only obtain single arterial phase imaging by single breath-hold,and it had breathing motion artifact because of the long scanning time.The early arterial transient enhancement of SHCC was easy to be misdiagnosed.The CAIPIRINHA-Dixon-TWIST-VIBE (CDT-VIBE) sequence could obtain high-quality multiple arterial phases images and hepatic arterial dominant (HAD) images in short-time scanning.And it could not only detect small focal lesions which were difficult to find by other imaging examination,but also find the start enhanced difference between lesions which were relevant to lesions property and blood supplement.The CDT-VIBE has a high clinical value in diagnosis and treatment of SHCC.The research progresses of CDT-VIBE in diagnosis of SHCC was reviewed in this article.