, Volume 9, Issue 1, pp 78-80

Acute tubulointerstitial nephritis in association withYersinia pseudotuberculosis infection

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A 4-year-old girl was diagnosed as having acute renal failure due to tubulointerstitial nephritis. The girl presented with remittent fever. vomiting and non-oliguric acute renal failure with sterile pyuria and tubular reabsorptive dysfunction. Ultrasound examination revealed that the kidneys were markedly enlarged with diffuse hyperechogenicity in the cortex when the abnormal renal function was present and were restored in size and echogenicity when the renal function normalised. A diagnosis ofYersinia pseudotuberculosis infection was based on a rise in haemagglutination titres against the organism.