Wegener's granulomatosis presenting with a renal mass

Wegener's,granulomatosis (WG) is a systemic disease characterized by necrot izing granulomatous vasculitis that involves primarily the upper and lower respiratory tracts and, in most cases, the kidneys, Kidney involvement in W G presenting as a mass is recognized, but is very rare; We describe a case of WC presenting with upper and lower respiratory symptoms and a renal mass due to both WG and renal cell carcinoma.