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DOI: 10.1177/000992280104001105 Pediatric Hematuria and Thin Basement Membrane Nephropathy: What Is It and What Does It Mean?Department of Pediatrics, The Medical College of Virginia, Virginia Commonwealth University, Richmond, VA
Department of Pathology, The Medical College of Virginia, Virginia Commonwealth University, Richmond, VA
Department of Pediatrics, The Medical College of Virginia, Virginia Commonwealth University, Richmond, VA Hematuria is seen frequently in the pediatric population and may signal either benign or serious renal patholosis. A significant proportion of children with asymptomatic hematuria will have thin basement membrane nephropathy (TBMN), a benign disorder, yet there is little information about this entity outside the nephrology literature. This article is designed to provide an information base for pediatric practitioners to assist them in making appropriate decisions regarding diagnosis and care. A review of experience over a decade with 9 children with biopsproven TBMN, including follow-up to the present; is presented. In addition, review of literature regarding TBMN, Alport's and Berger's syndromes, which comprise the major clinical entities associated with asymptomatic pediatric hematuria, is presented. Each patient was evaluated for asymptomatic, documented and persistent hematuria. Renal biopsy was performed after clinical evaluation and follow-up. TBMN and Berger's disease (IgA nephropathy) are separable only by renal biopsy results; TBMN is benign and IgA nephropathy may be progressive, mandating referral to a nephrologist. The prognosis of TBMN is excellent.
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