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Diffuse necrosis of the renal medulla in an infant.

A case of diffuse and bilateral necrosis of the renal medulla in an infant aged 2-1/2 months is reported. The possible causes of such severe lesion are discussed. Gastroenteritis, hypotensive state and use of a nephrotoxic drug (gentamicin) are considered to be important pathogenetical factors acting simultaneously in this patient.