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目的 探讨在肝肾间巨大肿块CT定位诊断中 ,用下腔静脉肝段推移征象区分肝脏与非肝脏来源占位病变的价值。资料与方法 经手术病理和临床证实的位于肝肾间区域 ,直径≥ 4cm肿块共 97例 ,均行CT增强扫描。其中肝脏来源 (试验组 ) 4 3例 ,非肝脏来源 (对照组 ) 54例。重点观察下腔静脉肝段推移的CT征象并用诊断试验评价该征象。结果 下腔静脉肝段推移征在试验组中的出现率为 86 .0 % (37/43) ;在对照组的出现率为 7.4% (4/54)。在推移方向的分布上 ,试验组和对照组没有显著差异 (χ2 =0 .0 3 ,P >0 .0 5)。下腔静脉肝段推移征诊断肝肾间巨大肿块来源于肝脏的敏感性 86 .0 % ,特异性 92 .6 % ,准确性 89.7%。结论 下腔静脉肝段推移征是诊断肝肾间巨大肿块来源于肝脏的有价值的CT征象。
Objective To investigate the value of distinguishing liver-non-liver-derived space-occupying lesion with the signs of hepatic segment of inferior vena cava in the diagnosis of CT between the liver and kidney. Materials and Methods Surgical pathology and clinically confirmed in the area between the liver and kidney, a total diameter of 4cm in 97 cases, were underwent enhanced CT scan. Among them, 43 cases were liver source (experimental group) and 54 cases were non-liver source (control group). Focus on the observation of CT signs of inferior vena cava hepatic patency and diagnostic tests to evaluate the signs. Results The sign of hepatic segment of IVC was 86.0% (37/43) in the experimental group and 7.4% (4/54) in the control group. There was no significant difference between the experimental group and the control group in the distribution direction (χ2 = 0.30, P> 0.05). Hepatic inferior vena cava segment diagnosis of large lumps between liver and kidney derived from the liver sensitivity of 86.0%, specificity 92.6%, accuracy of 89.7%. Conclusion The inferior vena cava hepatic segment is a valuable CT sign to diagnose the huge liver-kidney mass from the liver.