Sally Kellett1,2, Mathieu Lemaire3,4, Steven P Miller4,5, Christoph Licht3,4, Grace Yoon4,6, Nomazulu Dlamini4,5, Damien Noone3,4. 1. Division of Nephrology, The Hospital for Sick Children, Toronto, ON, Canada. sal.badenoch@gmail.com. 2. Department of Paediatrics, University of Toronto, Toronto, ON, Canada. sal.badenoch@gmail.com. 3. Division of Nephrology, The Hospital for Sick Children, Toronto, ON, Canada. 4. Department of Paediatrics, University of Toronto, Toronto, ON, Canada. 5. Division of Neurology, The Hospital for Sick Children, Toronto, ON, Canada. 6. Division of Clinical and Metabolic Genetics, The Hospital for Sick Children, Toronto, ON, Canada.
Abstract
BACKGROUND: This is a report of an infant born near term with neonatal stroke and haematuria. The renal phenotype, pathogenic genotype and pathological findings on renal biopsy are discussed. CASE-DIAGNOSIS: Prenatal magnetic resonance imaging revealed anomalies which persisted postnatally. Haematuria was detected during follow-up. The posttnatal renal ultrasound scan was normal, and there was no associated proteinuria. A likely pathogenic genetic mutation was detected. CONCLUSIONS: This case highlights a relatively newly discovered cause of hereditary nephropathy in which the basement membrane is affected, with initial effects on the glomerular membranes and subsequent effects on the renal tubular basement membranes.
BACKGROUND: This is a report of an infant born near term with neonatal stroke and haematuria. The renal phenotype, pathogenic genotype and pathological findings on renal biopsy are discussed. CASE-DIAGNOSIS: Prenatal magnetic resonance imaging revealed anomalies which persisted postnatally. Haematuria was detected during follow-up. The posttnatal renal ultrasound scan was normal, and there was no associated proteinuria. A likely pathogenic genetic mutation was detected. CONCLUSIONS: This case highlights a relatively newly discovered cause of hereditary nephropathy in which the basement membrane is affected, with initial effects on the glomerular membranes and subsequent effects on the renal tubular basement membranes.
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