Korean J Med.  1999 Sep;57(3):375-379.

An unusual case of acute multifocal bacterial nephritis

Affiliations
  • 1Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.
  • 2Department of Clinical Pathology, College of Medicine, The Catholic University of Korea, Seoul, Korea.

Abstract

Acute multifocal bacterial nephritis is a severe form of acute renal infection in which heavy leucocytic infiltrates occurs throughout kidney. Therefore, in contrast to uncomplicated acute pyelonephritis, it frequently causes acute renal failure. We here report an unusual case of acute multifocal bacterial nephritis which caused acute real failure and massive proteinuria. A 44-year old man was referred to our hospital because of high fever and both flank pain and non-oliguric acute renal failure. He had pyuria and massive proteinuria(5.87g/day), and serum creatinine level of 3.6mg/dL. We initially suspected hemorrhagic fever with renal syndrome. But immunofluorescent antibody for Hantavirus was negative and E. coli was isolated at urine. Computed tomography showed multifocal areas of wedge-shaped low densities in both kidneys. Kidney biopsy revealed tubulointerstitial infiltration of leucocyte without glomerular change. After treatment of antibiotics, proteinuria completely disappeared and serum creatinine level decreased to 1.0mg/dL.

Keyword

Proteinuria; Acute renal failure; Acute multifocal bacterial nephritis

MeSH Terms

Acute Kidney Injury
Adult
Anti-Bacterial Agents
Biopsy
Creatinine
Fever
Flank Pain
Hantavirus
Hemorrhagic Fever with Renal Syndrome
Humans
Kidney
Nephritis*
Proteinuria
Pyelonephritis
Pyuria
Anti-Bacterial Agents
Creatinine
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