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

Table 5

HevyLite protein studies.

Heavy chain type	Case 1	Case 2
IgGkappa (3.84–12.07 g/L)	0.99	1.92
IgGlambda (1.91–6.74 g/L)	0.54	1.45
IgG K/L ratio (1.12–3.21)	1.83	1.32
IgA K (0.57–2.08 g/L)	0.23	<0.02
IgAL (0.44–2.04 g/L)	0.12	0.03
IgA K/L ratio (0.78–1.94)	1.92	Not available
IgMK = 0.27 g/L (0.19–1.63 g/L)	0.27	11.92
IgML = 0.04 g/L (0.12–1.01 g/L)	0.04	0.14
IgM K/L (1.18–2.74)	6.75	85.1