Table 2.

Light-microscopic findings in 17 renal biopsies from 14 patients with IgG nephropathya

Patient No.Mesangial LesionsParietal LesionsGlomerular SclerosisTubulo-interstitial FibrosisVascular Lesions
Cellular ProliferationMesangial Matrix ExpansionDepositsDepositsDouble ContourSpikesFocalGlobal
Subend.Subepith.
a Subend., subendothelial; Subepith., subepithelial.
b Numbers in parentheses, total numbers of glomeruli.
c Interstitial cellular infiltrate.
d Humps.
e Interstitial foam cells.
f Segmental.
1++++++++++/−0 (13)b1 (13)+c
+/−+++++++++/−0 (40)16 (40)+c
2+++++++d0 (16)4 (16)++
3++++++d0 (11)0 (11)+++
4+++++2 (20)1 (20)+
5+/−++++1 (10)3 (10)+++
6+++++d+3 (24)6 (24)++
7+++++2 (20)0 (20)++
8+/−+++++++0 (13)1 (13)
9+/−++++/−+d+0 (10)0 (10)e
10+f+++++/−++/−0 (13)3 (13)++
11++3 (11)5 (11)++++
12+++++++d0 (34)8 (34)++c+/−
++++++f+30 (37)29 (37)++c
13++0 (6)3 (6)++c++
14+++++/−+d+/−0 (13)0 (13)
++++/−+++3 (18)2 (18)+e+