Dalla Palma L, Pozzi-Mucelli R S
Istituto di Radiologia, Università di Trieste, Italy.
Ital J Gastroenterol. 1992 Feb;24(2):87-91.
The evaluation of hepatocellular carcinoma (HCC) is based upon ultrasonography (US) which has proved to have a high sensitivity and is also extremely useful in guiding the percutaneous needle biopsy. The main role of computed tomography (CT) and magnetic resonance imaging (MRI) is to supplement US in evaluating the extent of HCC. The Authors discuss the different techniques of examinations of the liver both for CT and MRI as far as the modalities of contrast enhancement, site of injection, and type of contrast agents are concerned. The differences between low field and high field magnets are also discussed. The main CT and MRI findings are illustrated, depending upon the technique of examination. Finally the role of these techniques is discussed. Based upon personal experience and the data in CT literature, and if performed with updated technology and intraarterial injection (lipiodol), CT is the method of choice in order to supplement US in the evaluation of HCC.
肝细胞癌（HCC）的评估基于超声检查（US），事实证明超声检查具有很高的敏感性，并且在引导经皮穿刺活检方面也极为有用。计算机断层扫描（CT）和磁共振成像（MRI）的主要作用是在评估HCC范围时补充超声检查。作者讨论了肝脏CT和MRI检查的不同技术，涉及对比增强方式、注射部位和造影剂类型。还讨论了低场和高场磁体之间的差异。根据检查技术说明了主要的CT和MRI表现。最后讨论了这些技术的作用。基于个人经验和CT文献中的数据，并且如果采用更新的技术和动脉内注射（碘油）进行检查，CT是在评估HCC时补充超声检查的首选方法。
