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Three-dimensional contrast-enhanced MR angiography in diagnosis of portal vein involvement by hepatic tumors

机译:三维对比增强MR血管造影诊断肝肿瘤门静脉受累

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摘要

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.
机译:目的:评估三维对比增强磁共振血管造影(3D CE MRA)评估肝肿瘤患者门静脉受累的准确性。方法:对62例肝肿瘤患者进行3D CE MRA评估肝手术前主,右,左门静脉通畅。总共检查了186条静脉的包扎,阻塞和肿瘤血栓形成。结果:3D CE MRA的诊断结果与手术病理和术中超声检查结果相关。结果:3D CE MRA正确地检测了49个受累门静脉中的48个和137个非介入门静脉中的135个,敏感性为98%,特异性为99结论:3D CE MRA可准确评估肝肿瘤患者的门静脉受累情况,准确度为96%,阴性预测值为99%。

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