%0 Journal Article %T Oncocitoma renal gigante %A ¨¢lvarez Ardura %A M. %A Hern¨¢ndez Ca£¿as %A V. %A Morena Gallego %A J.M. de la %A Rengifo Abbad %A D. %A Gonz¨¢lez-Chamorro Ladr¨®n de Guevara %A F. %A Llorente Abarca %A C. %J Actas Urol¨®gicas Espa£¿olas %D 2005 %I Scientific Electronic Library Online %R 10.4321/S0210-48062005000800013 %X renal oncocytoma is a benign neoplasms arising from cells of the distal renal tubule. they acount for 3-7% of all renal tumors. most are incidental findings. differential diagnosis with renal cells carcinoma is often difficult. here we report a case of big renal oncocytoma as an incidental finding while performing an abdominal ultrasound in a patient with low abdominal pain. we also review the diagnostic an therapeutic approach in this kind of malignancies. %K renal oncocytoma %K renal cells carcinoma. %U http://scielo.isciii.es/scielo.php?script=sci_abstract&pid=S0210-48062005000800013&lng=en&nrm=iso&tlng=en