Emphysematous infection of a solitary renal cyst: A case report and literature review

Solitary serous renal cysts are common but their suppuration is rare. Cystic infection is usually a complication of autosomal-dominant polycystic kidney disease (ADPKD). Indeed, they account for approximately 10% of causes for hospitalization in patients with adult polycystic kidney disease.1 Herein, we report an extremely rare case of an emphysematous infection of a solitary renal cyst. To the best of our knowledge, this is the eighth case of a gas-forming infection of a renal cyst being reported in the literature.2,3