[Emphysematous pyelonephritis].

Emphysematous pyelonephritisis a relatively rare, gas-producing, destructive and usually unilateral renal infection. Often the patients are female diabetics and mostly the left kidney is affected. The pathological gas formation is either limited to the kidney or extends to the perirenal space. Two cases are reported, which-in clinical presentation, extension of pathological gas, and treatment-present two possible ends of the spectrum of this disease.