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Inferior Vena Caval Tumor Thrombus from Renal Angiomyolipoma

The authors report a case of bilateral renal angiomyolipoma with tumor thrombus from the right kidney extending to the inferior vena cava. Right nephrectomy and total thrombectomy were performed. Vena caval tumor thrombus rarely occurs in patients with angiomyolipomas. To their knowledge, only 6 cases have been reported in the literature.