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Case Reports in Radiology
Volume 2014, Article ID 140365, 5 pages
Case Report

Renal Sinus Fat Invasion and Tumoral Thrombosis of the Inferior Vena Cava-Renal Vein: Only Confined to Renal Cell Carcinoma

1Department of Radiology, Mevlana University School of Medicine, Yeni Istanbul Caddesi No. 235, Selcuklu, 42003 Konya, Turkey
2Department of Radiology, Ege University School of Medicine, Bornova, 35100 Izmir, Turkey
3Department of Radiology, Bulent Ecevit University School of Medicine, 67600 Zonguldak, Turkey
4Department of Pathology, Ege University School of Medicine, Bornova, 35100 Izmir, Turkey

Received 6 September 2014; Accepted 4 November 2014; Published 18 November 2014

Academic Editor: Atsushi Komemushi

Copyright © 2014 Turker Acar et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Epithelioid angiomyolipoma (E-AML), accounting for 8% of renal angiomyolipoma, is usually associated with tuberous sclerosis (TS) and demonstrates aggressive behavior. E-AML is macroscopically seen as a large infiltrative necrotic tumor with occasional extension into renal vein and/or inferior vena cava. However, without history of TS, renal sinus and venous invasion E-AML would be a challenging diagnosis, which may lead radiologists to misinterpret it as a renal cell carcinoma (RCC). In this case presentation, we aimed to report cross-sectional imaging findings of two cases diagnosed as E-AML and pathological correlation of these aforementioned masses mimicking RCC.