Table 3.
Histologic subtype distribution by country of the 317 cases registered for European sites in the T-cell project
| Overall | Italy | United Kingdom | Others * | |||||
| n | % | n | % | n | % | n | % | |
| Total | 317 | 244 | 46 | 27 | ||||
| PTCL-NOS | 127 | 40 | 99 | 41 | 19 | 41 | 9 | 33 |
| AITL | 63 | 20 | 47 | 19 | 10 | 22 | 6 | 22 |
| ALCL, ALK- | 44 | 14 | 34 | 14 | 9 | 20 | 1 | 4 |
| ALCL, ALK+ | 21 | 6 | 18 | 8 | 2 | 4 | 1 | 4 |
| NK/T nasal, nasal type | 19 | 6 | 13 | 5 | 3 | 7 | 3 | 11 |
| Enteropathy-type | 22 | 7 | 17 | 7 | 2 | 4 | 3 | 11 |
| Hepatosplenic | 5 | 2 | 5 | 2 | - | - | - | - |
| Other histologies | 16 | 5 | 11 | 4 | 1 | 2 | 4 | 15 |
| Subcutaneous panniculitis-like | 4 | 3 | 1 | - | ||||
| Peripheral γ§ T-cell lymphomas | 3 | 1 | - | 2 | ||||
| Unclassifiable T/NK PTCLs | 9 | 7 | - | 2 | ||||
PTCL: Peripheral T-cell lymphomas; NOS: Not otherwise specified; AITL: Angioimmunoblastic T-cell lymphoma; ALCL: Anaplastic large cell lymphomas; ALK: Anaplastic lymphoma kinase; NK: Natural killer
* Switzerland, Slovakia and Spain