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通过２５例肾肿瘤应用下腔静脉、肾动脉双插管数字减影血管造影（ＤＳＡ）与同期单肾动脉ＤＳＡ，Ｂ超，ＣＴ对肾癌腔静脉内癌栓蔓延的诊断及介入治疗方法的选择进行了探讨。显示：单肾动脉ＤＳＡ、Ｂ超和ＣＴ对显示下腔静脉癌栓的程度、侧支循环及准确性均有限。证实双插管造影能明确了解肿瘤供血、形态和腔静脉内癌栓蔓延的程度，对于手术方案和介入治疗的选择及预后判断具有重要意义。
The diagnosis and interventional therapy of tumor thrombus in renal cell carcinoma by intravenous administration of DSA and DSA, B-ultrasound and CT in 25 cases of renal tumor Choices were explored. Show: Single renal artery DSA, B-ultrasound and CT showed the extent of inferior vena cava tumor thrombosis, collateral circulation and accuracy are limited. Confirmed that double cannulation angiography can clearly understand the tumor blood supply, form and venous thrombosis in the extent of spread, for the surgical options and interventional treatment of choice and prognosis of great significance.