Table 2 Percentage (no.) Of individual TFH marker expression in the studied entities
Entity and Intensity/Extent of Staining | PD1 | ICOS | CXCL-13 | BCL-6 | CD10 |
|---|---|---|---|---|---|
AITL (neoplastic cells) (n = 16) |  |  |  |  |  |
 Medium-Strong/diffuse staining(> 50%) | 81 (13) | 75 (12) | 50 (8) | 25 (4) | 38 (6) |
 Weak-Medium/partially staining(5-50%) | 19 (3) | 13 (2) | 31 (5) | 44 (7) | 12 (2) |
 Weak/scattered staining(<5%) | 0 (0) | 13 (2) | 6 (1) | 31 (5) | 19 (3) |
 Negative | 0 (0) | 0 (0) | 13 (2) | 0 (0) | 31 (5) |
EBV+T-LPD (n = 7) |  |  |  |  |  |
 Medium-Strong/diffuse staining(> 50%) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
 Weak-Medium/partially staining(5-50%) | 14 (1) | 29 (2) | 0 (0) | 14 (1) | 0 (0) |
 Weak/scattered staining(<5%) | 57 (4) | 71 (5) | 71 (5) | 71 (5) | 0 (0) |
 Negative | 29 (2) | 0 (0) | 29 (2) | 14 (1) | 100 (7) |