Table 3.

Renal biopsy findings in patients with MN and viral infection

										Deposits
Case no.	Virology	PLA2R staining	THSD7A staining	HbS Ag staining	Total glomeruli	Globally sclerotic glomeruli	IFTA (%)	IF, IP	IgG4	EM stage	Sub epithelial	Intra membranous	Sub endothelial	Mesangial	TRIs
1	HBV	Neg	NA	Neg	8	0	0	IgG++, IgM+++	NA	I–II	Yes	No	No	No	No
2	HBV	Pos	NA	Neg	16	0	10	Not done	Pos++	I–II	Yes	Yes	No	No	No
3	HBV	Pos	NA	Neg	17	7	30	IgG+, C3+,mesangial IgM+	Pos+++	I–IV	Yes	Yes	No	Yes	No
4	HBV	Pos	NA	Neg	15	2	10	IgG+ IgM+/−, C3 trace, IgA and C1q: negative	Pos+++	II	Yes	No	Yes	Yes	Yes
5	HBV	Neg	Pos	Neg	21	1	0	IgG++ IgA+/− IgM+/− C3+/− C1q negative	Neg	I	Yes	No	Yes	Yes	Yes
6	HBV	Pos	NA	Neg	25	0	0	IgG++ IgM+/− C3+/− IgA and C1q: negative	Pos+++	II	Yes	Yes	No	Yes	Yes
7	HCV	Pos	NA	NA	18	1	15	IgG++, mesangial IgM+, C1q++, C3+	Pos+	II	Yes	Yes	No	No	Yes
8	HCV	Pos	NA	NA	16	2	5	IgG++, IgM+/−,C3+	Pos++	I–II	Yes	Yes	No	Yes	No
9	HCV	Pos	NA	NA	16	1	10	IgG+++, C3++	Pos++	II	Yes	No	No	No	Yes
10	HCV	Neg	Neg	NA	28	0	0	IgG+	Pos+	II	Yes	Yes	No	Yes	No
11	HIV	Neg	NA	NA	27	5	10	IgG+, IgA+, IgM++, C3++	NA	I–IV	Yes	Yes	Yes	Yes	No
12	HIV	Neg	Pos	NA	23	2	5	IgG+, IgM++, IgA Neg	NA	I–II	Yes	Yes	No	No	No
13	HIV	Neg	Neg	NA	35	2	15	IgG+, IgA+,IgM++ C1q+, C3++	Neg	I–IV	Yes	Yes	No	Yes	No
14	HIV	Pos	NA	NA	15	1	0	IgG+, C3+	Neg	I–IV	Yes	Yes	No	No	No
15	HIV	Neg	Pos	NA	15	5	60	IgG++, IgM++, C1q++, C3++	Neg	II	Yes	Yes	No	Yes	No
16	HIV	Pos	NA	NA	12	1	10	IgA+ (segmental), IgG+++, IgM++, Mesangial IgA+, IgM+	Pos ++	III–IV	Yes	Yes	No	Yes	No
17	HIV HBV	Neg	Neg	Neg	19	4	5	IgG+, IgA++, C3+, C1q++, IgM+ mesangial IgM+ and C1q++	Neg	II	Yes	No	Yes	No	No
18	HIV HBV	Pos	NA	Neg	5	2	5	IgG++, IgM+, segmental IgA+, C3+, C1q+	NA	II	Yes	Yes	No	Yes	No
19	HIV HCV	Neg	Neg	NA	24	3	5	IgG+, scanty mesangial IgA+/−, IgM+/− C3+/−	Pos +	II	Yes	No	No	No	No

IFTA: interstitial fibrosis and tubular atrophy; TRIs: tubuloreticular inclusions; NA: not available.