... but classically reveal a centrally located, solid or solid and cystic mass [ 3,4 ]. MEST behaves as benign lesion but can recur after incomplete resection. However, exceptional cases with malignant behaviour have been reported [ 1,3,5 ]. Kidney tumour Biopsy Partial nephrectomy Mixed epithelial...

... of aUrology and bPathology, University Hospital, N mes; cDepartment of Urology, Clinique Mutualiste, Saint-Etienne, France Key Words Kidney tumour W Oncocytoma W Oncocytomatosis Abstract A renal oncocytoma is a benign and usually solitary lesion. We present a new case of diffuse oncocytomatosis in one kidney...