Fibrillary glomerulonephritis: An apparent familial form?

Ying, Tracey;Hill, Prue;Desmond, Michael;Agar, John;Mallett, Andrew

Abstract

Fibrillary glomerulonephritis is a rare cause of glomerulonephritis characterized by non-amyloid fibrillary deposits of unknown aetiology. It is generally considered idiopathic but may be associated with secondary causes such as monoclonal gammopathy, hepatitis B and C infections, autoimmune diseases and malignancies. We report two Australian families with apparent familial fibrillary glomerulonephritis inherited in an autosomal dominant pattern, and postulate the existence of a primary familial entity. Family 1 consists of an affected father and daughter; the daughter progressed to end-stage renal failure within 18 months of diagnosis, despite immunosuppressive therapy. The father, however, remains stable at 10 months follow up. Family 2 comprises an affected mother and son; the mother commenced haemodialysis 5 years after diagnosis and subsequently underwent successful renal transplantation. The son is presently stable at last follow-up after 5 years. A further review of the second family history reveals a third family member (maternal father) dying of 'Bright's disease'. We describe their histopathology, clinical progression and treatment outcomes, and provide a review of the current understanding of this heterogeneous condition that is associated with poor renal outcomes.

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Nephrology

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1440-1797

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Wiley-Blackwell Publishing Asia

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DOI

10.1111/nep.12447