Acute renal failure in an adult patient with Henoch-Schoenlein purpura after episode of macroscopic hematuria

A case of severe prolonged acute renal failure with a histological picture of acute tubulointerstitial lesions in an adult patient with Henoch-Schoenl ein purpura after apr episode of macroscopic hematuria is described. The ma croscopic hematuria lasted only for 5 days and the renal biopsy was perform ed 50 days after the end of the macroscopic hematuria. Restoration of renal function was not complete six months after the beginning of improvement Fe wer than 65 cases of acute renal failure due to tubulointerstitial nephriti s in patients with glomerulonephritis and after episode od macroscopic hema turia have been described in the international literature. Only one of thes e patients was suffering from Henoch-Schoenlein purpura.