alexa Tubulointerstitial nephritis and uveitis in children and adolescents. Four new cases and a review of the literature.


Journal of Nephrology & Therapeutics

Author(s): Vohra S, Eddy A, Levin AV, Taylor G, Laxer RM

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Abstract We identified 35 cases of tubulointerstitial nephritis and uveitis (TINU), 31 from a MEDLINE search (1966-1996) of the English literature and 4 from our hospital records (1988-1996). To meet the case definition, the patient had to be less than 18 years old and have TINU of unknown cause. Common presenting symptoms included fatigue, weight loss, fever, and abdominal pain. The uveitis was usually anterior and could occur at any time with respect to the onset of the renal disease. Common laboratory features included anemia, increased erythrocyte sedimentation rate, and decreased creatinine clearance. Most patients (33 of 35) had renal biopsies that commonly revealed an intense inflammatory interstitial infiltrate, glomerular sparing, and negative immunofluorescence studies. Of the 35 patients, 26 received systemic corticosteroid therapy (5 of 26 for eye disease); 22 had follow-up for at least 1 year; 13 of 35 patients had a recurrence of their uveitis. The outcome in all 35 cases was normal renal function with no documented visual loss. In conclusion, TINU is a unique syndrome with characteristic clinical features, laboratory changes, and renal biopsy results. Treatment is controversial, and the outcome in children, even if untreated, is excellent. This article was published in Pediatr Nephrol and referenced in Journal of Nephrology & Therapeutics

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