Causes of Membranous Nephropathy (MN) Primary (75-80%) • PLA2R antigen (70-80%) • Thrombospondin (1-5%) Secondary (20-25%) • Infection ( Hepatitis B, C, Syphilis, Parasites, others) • Neoplasms ( Commonly adenocarcinoma and squamous cell carcinoma) • Drugs (penicillamine, Anti-TNF therapy, NSAlDs, Gold ) • Autoimmune (Lupus, Sjogren syndrome, lgG4 related membranous nephropathy) • Transplant (Hematopoietic stem cell transplantation) #Membranous #Nephropathy #differential #diagnosis #nephrology #Causes
