[Emphysematous pyelonephritis complicated by liver cirrhosis and diabetes mellitus: a case report and a review of the literature].

A case of emphysematous pyelonephritis is presented and a review of literatures is made. A 67-years-old woman with diabetes mellitus, complained of severe left flank pain and high fever and was referred from the department of gastroenterology. A computed tomography film demonstrated gas in the left renal parenchyma and a diagnosis of emphysematous pyelonephritis was made. She was in a state of shock and died after 4 days of conservative treatment. Emphysematous pyelonephritis is a rare, life-threatening disorder and 85 cases in the world have been reported to date. Our case is the 18th one in Japan. Its etiology, symptomatology, treatment and prognosis are discussed.