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Objective: To investigate the renal tumor and the inferior vena cava tumor thrombus diagnosis and treatment experience. Methods: A retrospective analysis of our hospital from February 1993 to December 2008 were treated renal tumors and the clinical data of patients with tumor thrombus in the inferior vena cava. The group of 28 patients aged 11 years old to 78 years old, with an average of 59.3 years. The major clinical manifestations of low back pain and / or hematuria. The perirenal kidney tumor and tumor thrombus in 2 cases, liver in 16 cases, 6 cases of subphrenic intrahepatic diaphragm type 4 cases, 2 cases of tumor thrombus extending into the right atrium. All patients underwent chest X-ray, B ultrasound and CT. Found that B vena cava tumor thrombus in 22 cases (78%); CT examination show vena cava tumor thrombus in 28 cases (100%), 4 of which were associated with multiple enlarged retroperitoneal lymph. Underwent MRI tumor thrombus in 15 patients overall display, and the level of tumor thrombus head positioning clear. Four cases of distant metastases in 28 cases, in which brain metastases, lung metastases patients, systemic bone metastases. Results: surgical treatment of 20 cases, 16 cases of postoperative pathological diagnosis of renal cell carcinoma, papillary renal cell carcinoma, 2 cases of renal angiomyolipoma, Wilms tumor patients. Renal cell carcinoma patients treated with interferon immunotherapy, and were followed up for 3 to 108 months, with an average of 40.2 months. Tumor recurrence or systemic metastasis seven cases, no tumor recurrence period of 8 months to 60 months, an average of 22 months, disease-free survival 10 cases. Pathologically confirmed two cases of renal angiomyolipoma patients, follow-up of 60 months and 8 months respectively, and there was no survival. Of cases, surgical treatment of Wilms' tumor in children vincristine, pirarubicin dactinomycin combination chemotherapy, follow-up without recurrence and metastasis signs of February. 3 patients did not undergo surgery in 8 patients, renal artery chemoembolization plus interferon, radiotherapy plus interferon therapy, survival of 8 to 14 months, the median survival of 10.5 months; no treatment 4 cases, 3 cases survived for two months, three months, six months later died of systemic failure, patients survived 20 months and died of lung metastasis, and respiratory failure. Conclusion: 1, B ultrasound, CT and MRI diagnosis vena cava tumor thrombus. CT and MRI diagnosis of the disease have a higher value. The latter better than the former level of tumor thrombus head positioning. Renal cell carcinoma with inferior vena cava tumor thrombus in the absence of other organ metastasis, should actively complete surgical resection of the tumor and the tumor thrombus, the prognosis is good. Renal angiomyolipoma can also occur vena cava tumor thrombus, tumor thrombus formation due to the growth of the tumor along the vein wall to the results of the renal vein and inferior vena cava tumor thrombus also vascular smooth muscle fat ingredients, the postoperative prognosis is good .
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