J Korean Pediatr Soc.  2003 Apr;46(4):351-357.

A Clinical and Radiologic Study of Acute Focal Bacterial Nephritis in Children

Affiliations
  • 1Department of Pediatrics, College of Medicine, Hallym University, Anyang, Korea. kisikmin@hanmail.net
  • 2Department of Radiology, College of Medicine, Hallym University, Anyang, Korea.

Abstract

PURPOSE
To raise awareness of the clinical importance of, and the need for proper management of acute focal bacterial nephritis(AFBN), we analyzed 22 AFBN patients and 22 other upper urinary tract infection patients by use of comparative studies.
METHODS
From January 2000 to May 2002, 22 AFBN patients aged from 1 month to 12 months were selected. As a control group, 22 UTI patients with no radiologic abnormalities were selected and matched by age and sex.
RESULTS
The incidence of AFBN was more common in boys than in girls. Since both groups had similar symptoms, it was difficult to diagnose AFBN by clinical presentations alone. ESR and CRP were significantly higher in AFBN patients. The most common causative organism was E. coli in both groups. On the sonographic findings, the most lesions were seen on the upper lobe of the kidney; more frequently, on left kidney. The lesions showed globular or wedge-shaped increased echogenecity. 99mTc-DMSA scan showed the complete coincidence of the location, size and shape in all cases compared to the findings of renal sonography.
CONCLUSION
The roles of renal sonography and DMSA scan were very important, and ultrasonography was an excellent initial tool in diagnosing AFBN. Since the degree of infection in AFBN is more severe than other urinary tract infections and evollution into a renal abscess is possible, early diagnosis and appropriate antibiotics therapy is essential.

Keyword

Acute focal bacterial nephritis(AFBN)

MeSH Terms

Abscess
Anti-Bacterial Agents
Child*
Early Diagnosis
Female
Humans
Incidence
Kidney
Nephritis*
Succimer
Technetium Tc 99m Dimercaptosuccinic Acid
Ultrasonography
Urinary Tract Infections
Anti-Bacterial Agents
Succimer
Technetium Tc 99m Dimercaptosuccinic Acid
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