Table 3.
Precursor lymphoid neoplasms in pediatric patients classified according to cell lineage, gender, and geographical region distribution for each lineage group.
| Region | LL B cell | LL T cell | LL unclassified | ||||||
| Cases (%) | F | M | Total (%) | F | M | Total (%) | F | M | Total (%) |
| N 19 (7) | 1 | 2 | 3 (4.3) | 6 | 8 | 14 (8.7) | 0 | 2 | 2 (4.7) |
| NE 64 (23.5) | 6 | 10 | 16 (23.2) | 12 | 30 | 42 (26) | 4 | 2 | 6 (14.3) |
| CW 20 (7.3) | 2 | 2 | 4 (5.8) | 3 | 8 | 11 (6.8) | 3 | 2 | 5 (12) |
| S 63 (23.2) | 13 | 6 | 19 (27.5) | 10 | 18 | 28 (17.3) | 2 | 14 | 16 (38) |
| SE 106 (39) | 9 | 18 | 27 (39) | 18 | 48 | 66 (41) | 5 | 8 | 13 (31) |
| Total | 31 | 38 | 69 (100) | 49 | 112 | 161 (100) | 14 | 28 | 42 (100) |
N: North; NE: Northeast; CW: Central‐West; S: South; SE: Southeast; LL: lymphoblastic lymphoma; F: female; M: male.