Immunophenotypic features of ALK+ and ALK− ALCL and PTCL-NOS
| Immunophenotype . | Cutoff (%) . | ALCL . | PTCL-NOS (%) . | |
|---|---|---|---|---|
| ALK + (%) . | ALK– (%) . | |||
| CD30 | >20 | 100 | 100 | 23 |
| ALK | Any | 100 | 0 | 0 |
| CD3 | >20 | 11.5 | 45 | 95 |
| CD4 | >20 | 46 | 68 | 57 |
| CD8 | >20 | 8 | 16 | 19 |
| CD2 | >20 | 22 | 58 | 92 |
| CD5 | >20 | 36 | 19 | 67 |
| TIA1 | >20 | 54 | 27 | 42 |
| CD45 | 48 | 59 | 79 | |
| Immunophenotype . | Cutoff (%) . | ALCL . | PTCL-NOS (%) . | |
|---|---|---|---|---|
| ALK + (%) . | ALK– (%) . | |||
| CD30 | >20 | 100 | 100 | 23 |
| ALK | Any | 100 | 0 | 0 |
| CD3 | >20 | 11.5 | 45 | 95 |
| CD4 | >20 | 46 | 68 | 57 |
| CD8 | >20 | 8 | 16 | 19 |
| CD2 | >20 | 22 | 58 | 92 |
| CD5 | >20 | 36 | 19 | 67 |
| TIA1 | >20 | 54 | 27 | 42 |
| CD45 | 48 | 59 | 79 | |
Reproduced from Hsi et al25 with permission.