Aggressive Squamous Cell Carcinoma Arising in Chronic Xanthogranulomatous Pyelonephritis: CT Imaging of a Rare Case with Hepatic Metastases
Xanthogranulomatous pyelonephritis (XGP) is a rare, severe form of chronic renal infection associated with long-standing urinary tract obstruction, most commonly due to staghorn calculi. Although considered a benign inflammatory condition, it may rarely be associated with or evolve into squamous cell carcinoma (SCC) of...