Figure 1. a. The macroscopic photo of the renal oncocytoma with central scar (arrows). b. Oncocytoma composed of oncocytic cells with abundant eosinophilic cytoplasm forming solid groups and nests (Hematoxylin-eosin stain, x100), inset; focal immunopositivity of tumor cells with cytokeratin 7 (Avidin-biotin-peroxidase method, x200)

From

Synchronous Triple Distinct Urological Tumors in a Patient: Urothelial Carcinoma of Bladder, Unilateral Renal Oncocytoma and Papillary Adenoma

Sevinç Şahin, Selda Seçkin, Kürşad Zengin, Serhat Tanık, Mesut Gürdal

American Journal of Medical Case Reports. 2014, 2(11), 250-252 doi:10.12691/ajmcr-2-11-7