Table 2. Histologic findings of patients with secondary MN.

Patient	Cause of secondary MN	Anti-PLA2R	Subepithelial deposits	Subendothelial deposits	IgG4 deposits	Mesangial deposits	C1q deposits
S1	Malignancy	+	+	–	+	+	–
S2	HBV	+	+	–	+	+	–
S3	HBV	–	+	–	–	+	+
S4	HBV	–	+	–	–	–	+
S5	HBV	–	+	+	±	–	+
S6	HBV	–	+	–	–	–	+
S7	HCV	–	+	+	–	–	+
S8	Lupus	–	+	+	–	+	+
S9	Malignancy	–	+	–	–	–	–

MN, membranous nephropathy; Anti-PLA₂R, anti-phospholipase A2 receptor antibody; HBV, hepatitis B virus; HCV, hepatitis C virus.