Primary antiphospholipid syndrome associated with anti-phospholipase A2 receptor antibody-positive membranous nephropathy

摘要

patient’s kidney biopsy. Staining for IgG4 on immunofluorescence (× 400). PLA2R-antigen on immunochemistry (× 400). Primary antiphospholipid syndrome chronic vascular nephropathy with asymmetric fibrous intimal hyperplasia (Periodic-Acid-Schiff X400)