Case Presentation: A 50­ year ­old man with poorly controlled type 2 diabetes mellitus (DM) presented with flank pain, nausea, vomiting, and fever. On exam, he was febrile, tachycardic, hypotensive, and had right sided CVA tenderness. The ER performed a CT stone protocol, however, imaging demonstrated right sided emphysematous pyelonephritis (EPN). Our patient was admitted [...]