Histologically proven acute tubular necrosis in a series of 27 ICU patients

•There is no specific histological feature to discriminate acute tubular necrosis in septic and non septic patients.•Moderate interstitial infiltration is frequently associated with tubular injury both in septic and non septic patients.•Histopathologic alterations in acute tubular necrosis are more severe in septic than in non septic patients.