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Currently filtering by tag: MUC1

Chronic Active Tubulointerstitial Nephritis

Chronic tubulointerstitial nephritis in children may be secondary to a number of possible etiologies such as drug and other exogenous toxin exposure, infections, lower urinary tract obstruction, autoimmune diseases, nephronophthisis and genetic disorders such as autosomal dominant tubulointerstitial kidney disease due to MUC1, UMOD, REN or HNF1β. Figures 1-3 are representative images from the kidney biopsy of a 15 month old male with a history of prune belly syndrome, status post multiple lower urinary tract procedures and recurrent urinary tract infections. There is severe tubulointerstitial scarring which is disproportionate to the degree of glomerulosclerosis, with a moderate, predominantly chronic, interstitial...