Table 3.
Clinical manifestations of CNS disease
| Histologic subtypes | Total | PTCL-NOS | ALCL | AITL | EATL |
| Disease relationship between CNS and whole-body system | |||||
| Isolated CNS relapse | 2 | 2 | 0 | 0 | 0 |
| With systemic involvement | 18 | 9 | 5 | 3 | 1 |
| The type of CNS disease | |||||
| Leptomeningeal seeding | 14 | 7 | 4 | 2 | 1 |
| Parenchymal metastasis | 5 | 3 | 1 | 1 | 0 |
| Combined | 1 | 1 | 0 | 0 | 0 |
CNS, central nervous system; PTCL-NOS, peripheral T-cell lymphoma, not otherwise specified; ALCL, anaplastic large cell lymphoma; AITL, angioimmunoblastic T-cell lymphoma; EATL, enteropathy-associated T-cell lymphoma.