Table 5.
Geographic distribution of mature T‐cell lymphomas in pediatric patients
| ALCL‐ALK+ | ALCL‐ALK‐ | PTLC‐NOS | T/NK | Other | ||||||||||||
| Region | F | M | T (%) | F | M | T (%) | F | M | T (%) | F | M | T (%) | F | M | T (%) | Total |
| N | 0 | 2 | 2 (3.8) | 0 | 1 | 1 (11.1) | 1 | 1 | 2 (8.7) | 0 | 1 | 1 (20) | 0 | 0 | 0 | 6 (6.4) |
| NE | 6 | 13 | 19 (35.8) | 0 | 2 | 2 (22.2) | 3 | 3 | 6 (26) | 0 | 2 | 2 (40) | 1 | 1 | 2 (66.6) | 31(33.3) |
| CW | 2 | 2 | 4 (7.6) | 0 | 0 | 0 | 1 | 2 | 3 (13) | 0 | 0 | 0 | 0 | 1 | 1 (33.3) | 8 (8.6) |
| S | 5 | 5 | 10 (18.9) | 3 | 1 | 4 (44.4) | 3 | 1 | 4 (17.4) | 1 | 0 | 1 (20) | 0 | 0 | 0 | 19 (20.4) |
| SE | 9 | 9 | 18 (33.9) | 0 | 2 | 2 (22.2) | 3 | 5 | 8 (34.8) | 1 | 0 | 1 (20) | 0 | 0 | 0 | 29 (31.2) |
| Total | 22 | 31 | 53 (100) | 3 | 6 | 9 (100) | 11 | 12 | 23 (100) | 2 | 3 | 5 (100) | 1 | 2 | 3 (100) | 93 (100) |
N: North; NE: Northeast; CW: Central‐West; S: South; SE: Southeast; F: female; M: male; ALCL‐ALK+ anaplastic large cell lymphoma; ALK‐ positive; ALCL‐ALK‐: anaplastic large cell lymphoma ALK‐ negative; PTCL‐NOS: peripheral T‐cell lymphoma, no‐otherwise specified; T/NK: T/NK cell‐ lymphoma nasal type.