History of the classification of LGL leukemia
| FAB (1989) . | REAL (1994) . | WHO (1999) . | WHO (2008) . |
|---|---|---|---|
| Chronic T lymphoid leukemias | T-cell and putative NK-cell neoplasms | Mature (peripheral) T-cell neoplasms | Mature T-cell and NK-cell neoplasms |
| T-cell CLL or LGL leukemia | T-cell chronic lymphocytic leukemia/prolymphocytic | T-cell granular lymphocytic leukemia | T-cell granular lymphocytic leukemia |
| T prolymphocytic leukemia | LGL leukemia | Aggressive NK-cell leukemia | Chronic lymphoproliferative disorder of NK cells* |
| T-cell type | |||
| Adult T-cell leukemia/ lymphoma | NK-cell type | ||
| Sezary syndrome | Aggressive NK-cell leukemia |
| FAB (1989) . | REAL (1994) . | WHO (1999) . | WHO (2008) . |
|---|---|---|---|
| Chronic T lymphoid leukemias | T-cell and putative NK-cell neoplasms | Mature (peripheral) T-cell neoplasms | Mature T-cell and NK-cell neoplasms |
| T-cell CLL or LGL leukemia | T-cell chronic lymphocytic leukemia/prolymphocytic | T-cell granular lymphocytic leukemia | T-cell granular lymphocytic leukemia |
| T prolymphocytic leukemia | LGL leukemia | Aggressive NK-cell leukemia | Chronic lymphoproliferative disorder of NK cells* |
| T-cell type | |||
| Adult T-cell leukemia/ lymphoma | NK-cell type | ||
| Sezary syndrome | Aggressive NK-cell leukemia |
Provisional entity.