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The Comparative Study Of MRIand Hepatic Angiographyin Hepatocellular Carcinoma
杨海山 张 宇
Yang Haishan，Zhang Yu.
Department of Radiology，No.3 Clinical Hospital，Norman Bethune Medical University，Changchun，Jilin Province 130031，P.R.China
ABSTRACT
Objective：To study the correlation between MRI findings and hepatic angiography（HAG） findings of hepatocellular carcinoma （HCC）.
Materials and Methods：Sixty－six pattentswith HCC underwent HAGand subsequentMRI in 10 days.With a section thickness of 5－10mm，intervalgapOflmmandl28X256matrix，spm－echo sequences were used.T1WI was obtained with TR 530ms and TE 15ms；T2WI with TR 2000ms and TE 80ms.HAG，including indirect portography was performed with Seldinger technique.
Results：（1）MRI signal intersity on T1 and T2 were as follows：ultra－hypo and ultra－hyper（n＝4），iso－Intensity and iso－intensity（n＝6），hypo and hyper（n＝43），hypo and ultra－hyper（n＝13），respectively.The intemal architectures were heterogeneous in most cases.（2）HAG demonstrated 41 hyper－vascular tumors and 25 hypo－vas－cular tumors.Tumor stain was homogeneous in 29，inhomogeneous in l2，slightly stained in 25 cases. （3）Portal thrombosis was revealed in l4 cases on MRI，and 15 cases on HAG.（4）Arteriovenous shunt was found in 27 cases with MRI and 29 cases with HAG.
Conclusion：MRI is a safe and accurate mean for the diagnosis of HCC，and it provides the information well correlated with that by HAG.
Key words：Hepatocellular carcinoma MRI Hepatic angiography Comparative study
原发性肝细胞癌（HCC）的影像学研究在国内外已有较多报道[1，2]，但有关详细的MRI与肝血管造影的对照研究极少报道。本文通过对原发性肝细胞癌的MRI表现如肿瘤的构型、信号强度及血管形态改变的研究，然后与血管造影检查加以对照，探讨MRI肿瘤血供、血管受侵蚀等改变所产生的信号变化，以提高MRI对肝细胞癌诊断与鉴别诊断能力。 | 
