56. Which of the following statements about membranous nephropathy (MN) isINCORRECT?
(A)Primary MN (previously called idiopathic MN) is now considered a kidneyspecific, autoimmune glomerular disease due to autoantibodies against certainnative podocyte antigens.
(B)The phospholipase A2 receptor (PLA2R) is the antigen in about 70% of patientswith primary MN.
(C)The presence of endothelial tubuloreticular inclusions by electron microscopywould suggest a diagnosis of primary MN.
(D)Thrombospondin type 1 domain-containing 7A (THSD7A), another targetantigen of primary MN, may be overexpressed by certain malignancies leadingto MN.