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  • Title: Three-dimensional contrast-enhanced MR angiography in diagnosis of portal vein involvement by hepatic tumors.
    Author: Lin J, Zhou KR, Chen ZW, Wang JH, Wu ZQ, Fan J.
    Journal: World J Gastroenterol; 2003 May; 9(5):1114-8. PubMed ID: 12717869.
    Abstract:
    AIM: To assess the accuracy of three-dimensional contrast-enhanced magnetic resonance angiography (3D CE MRA) in evaluation of the portal vein involvement in patients with hepatic tumors. METHODS: 3D CE MRA was performed in 62 patients with hepatic tumors to assess the patency of the main, right and left portal veins before hepatic surgery. A total of 186 veins were examined for encasement, occlusion and tumor thrombosis. The results of 3D CE MRA diagnosis were then correlated with the surgical-pathological and intra-operative sonographic findings. RESULTS: 3D CE MRA correctly detected 48 of 49 involved and 135 of 137 noninvolved portal veins with the sensitivity of 98 %, specificity of 99 %, positive predictive value of 96 % and negative predictive value of 99 %. CONCLUSION: 3D CE MRA is accurate in evaluation of the portal vein involvement in patients with hepatic tumors.
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