Table 1.

Immunological phenotypes of the three cases.

Case	IgG	IgA	IgM	B cells	C D4+/CD8+
	(7.2 ~16.8 g/L)	(0.82 ~4.53 g/L)	(0.46 ~3.04 g/L)	(9%~29%)	(0.71 ~2.78)
1	3.9	<0.07	0.068	1.7%	1.16
2	<0.3	<0.07	<0.042	2.81%	0.35
3	0.488	0.0667	0.258	18.71%	0.48