Michael A. Gorin, MD | Authors

Oncocytic Neoplasm on Renal Mass Biopsy: A Diagnostic Conundrum

May 15, 2016

A 56-year-old man presented with a 4.5-cm leftsided renal mass incidentally discovered on an ultrasound performed for workup of lupus nephritis. On dedicated contrast-enhanced magnetic resonance imaging (MRI), the tumor was found to be avidly enhancing.