Two Cases of γ-Heavy Chain Disease and a Review of the Literature

Table 3

IgG subclasses.

	Case 1	Case 2
IgG1 (RR 3.8–9.29 g/L)	18.62	27.16
IgG2 (RR 2.42–7.0 g/L)	0.26	2.92
IgG3 (RR 0.22–1.76 g/L)	0.41	0.17
IgG4 (0.04–0.86 g/L)	<0.03	0.12