Table 1.
Gender | F | 46 |
---|---|---|
M | 36 | |
Age | Median 58 | Range 20-88 |
Type of FL | Nodal FL | 67 |
Combined FL+DLBCL | 10 | |
Cutaneous | 5 | |
Pattern | "In situ neoplasia" | 6 (7.8%) |
Nodular | 62 (80.5%) | |
Nodular and diffuse | 5 (6.5%) | |
Diffuse | 4 (5.2%) | |
WHO Grade | Grade 1 | 8 (11.3%) |
Grade 2 | 37 (52.1%) | |
Grade 3 | 26 (36.6%) | |
Marginal differentiation | Yes | 7 (9.9%) |
No | 64 (90.1%) | |
BCL6 | Positive | 76 (92.7%) |
Negative | 6 (7.3%) | |
CD10 | Positive | 74 (90.2%) |
Negative | 8 (9.8%) | |
BCL2 | Positive | 72 (87.8%) |
Negative | 10 (12.2%) | |
Ki67 antigen | Low | 23 |
Intermediate | 30 | |
High | 29 | |
IGH gene rearrangement | Monoclonal | 66 (80.5%) |
Polyclonal | 16 (19.5%) | |
MBR-BCL2/JH rearrangement | Present | 19 (23.2%)/15 (27.3%)* |
Absent | 63 (76.8%)/40 (72.7%)* |
* Limited to cases with successful beta-globin gene amplification.