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侵袭性肾上皮样血管平滑肌脂肪瘤的综合临床与病理分析:三例报告分析

 

Authors Luo J, Liu B, Wang Y, Li J, Wang P, Chen J, Wang C

Published Date May 2014 Volume 2014:7 Pages 823—827

DOI http://dx.doi.org/10.2147/OTT.S61524

Received 29 January 2014, Accepted 17 March 2014, Published 27 May 2014

Abstract: Renal angiomyolipoma (AML) is recognized as a benign hamartomatous lesion arising in the kidney with no obvious malignant potential. However, epithelioid AML (EAML), a rare variant of AML, is potentially malignant, with aggressive clinical features. It can occur in patients with or without tuberous sclerosis. Because EAML may mimic renal cell carcinoma in imaging studies, differentiation of this tumor from renal cell carcinoma preoperatively is difficult. At times, the lesions may extend into the renal vein and inferior vena cava or metastasize to other organs such as the lung and liver. To clarify the biological nature of EAML, three specific cases that we encountered in clinical practice are analyzed and reported in detail.
Keywords: kidney, malignant, inferior vena cava