Table 1

Lymphocyte counts and subsets in a child with a large cystic hygroma in the neck

Lymphocyte counts (×109/l). Normal ranges in brackets
Age at test (years) CD3 (0.69 to  2.25)CD4 (0.41 to  1.41)CD8 (0.28 to  1.20)CD19 (0.05 to  0.41)CD16/56 (0.04 to  0.87)
7.30.520.110.330.200.2
8.20.250.10.170.110.12
9.90.050.030.030.030.04