True collision renal tumour of oncocytoma and papillary Renal cell carcinoma: Case Report and Review of the Literature

The clear cell, chromophobe and papillary carcinoma as well as oncocytoma are the most common renal tumours. While cases of hybrid renal tumours are well known, the true collision renal tumour of oncocytoma and Papillary Renal Cell Carcinoma (PRCC) is still rare.