Department of Nephrology Shenzhen Longhua District Central Hospital Shenzhen 518110 Guangdong Province China;
Department of Nephrology Shenzhen Longhua District Central Hospital Shenzhen 518110 Guangdong Province China;
Department of Nephrology Shenzhen Longhua District Central Hospital Shenzhen 518110 Guangdong Province China;
Department of Nephrology Shenzhen Longhua District Central Hospital Shenzhen 518110 Guangdong Province China;
Department of Nephrology Shenzhen Longhua District Central Hospital Shenzhen 518110 Guangdong Province China;
Department of Nephrology Shenzhen Longhua District Central Hospital Shenzhen 518110 Guangdong Province China;
Department of Nephrology Shenzhen Longhua District Central Hospital Shenzhen 518110 Guangdong Province China;
Department of Nephrology Shenzhen Longhua District Central Hospital Shenzhen 518110 Guangdong Province China;
Department of Nephrology Shenzhen Longhua District Central Hospital Shenzhen 518110 Guangdong Province China;
Systemic lupus erythematosus; Antineutrophil cytoplasmic antibodyassociated vasculitis; Overlap syndrome; Elderly male; Renal insufficiency; Case report;