Frequency of CTL clusters in T-cell GLL with various absolute granular lymphocyte counts
| Granular lymphocytes, × 109/L . | CD8 . | TIA-1 . | Granzyme B . | Intravascular5-150 . | CD57 . |
|---|---|---|---|---|---|
| LGL at least 2 (n = 15) | 13 (87%) | 13 (87%) | 12 (80%) | 13 (87%) | 3 (15%) |
| LGL at least 0.5 and less than 2 (n = 12) | 10 (83%) | 8 (67%) | 4 (33%) | 7 (58%) | 2 (17%) |
| LGL less than 0.5 (n = 9) | 7 (78%) | 6 (67%) | 2 (22%) | 4 (44%) | 1 (11%) |
| Granular lymphocytes, × 109/L . | CD8 . | TIA-1 . | Granzyme B . | Intravascular5-150 . | CD57 . |
|---|---|---|---|---|---|
| LGL at least 2 (n = 15) | 13 (87%) | 13 (87%) | 12 (80%) | 13 (87%) | 3 (15%) |
| LGL at least 0.5 and less than 2 (n = 12) | 10 (83%) | 8 (67%) | 4 (33%) | 7 (58%) | 2 (17%) |
| LGL less than 0.5 (n = 9) | 7 (78%) | 6 (67%) | 2 (22%) | 4 (44%) | 1 (11%) |
Positive for CD8, TIA-1, and/or granzyme B.