Results of the immunohistochemical analysis of DLBCL
. | CB, no. (%) . | IB, no. (%) . | TCRB, no. (%) . | All pediatric DLBCL, no. (%) . | P . |
|---|---|---|---|---|---|
| CD10 | 37 of 46 (80) | 2 of 6 (33) | 0 of 5 (0) | 39 of 57 (68) | ≤ .001 |
| BCL2 | 18 of 49 (37) | 4 of 6 (67) | ND | 22 of 55 (40) | NS |
| BCL6 | 40 of 42 (95) | 3 of 5 (60) | 4 of 5 (80) | 47 of 52 (90) | .029 |
| Mum-1 | 17 of 29 (59) | 3 of 3 (100) | 1 of 3 (33) | 21 of 35 (60) | NS |
| GCB | 39 of 44 (87) | 2 of 5 (40) | 2 of 3 (67) | 43 of 52 (83) | .02 |
. | CB, no. (%) . | IB, no. (%) . | TCRB, no. (%) . | All pediatric DLBCL, no. (%) . | P . |
|---|---|---|---|---|---|
| CD10 | 37 of 46 (80) | 2 of 6 (33) | 0 of 5 (0) | 39 of 57 (68) | ≤ .001 |
| BCL2 | 18 of 49 (37) | 4 of 6 (67) | ND | 22 of 55 (40) | NS |
| BCL6 | 40 of 42 (95) | 3 of 5 (60) | 4 of 5 (80) | 47 of 52 (90) | .029 |
| Mum-1 | 17 of 29 (59) | 3 of 3 (100) | 1 of 3 (33) | 21 of 35 (60) | NS |
| GCB | 39 of 44 (87) | 2 of 5 (40) | 2 of 3 (67) | 43 of 52 (83) | .02 |
The immunohistochemical results and the classification as GCB subtype are shown in number of positive cases of the evaluable cases (percentage of positive cases) in the morphologic subgroups as well as all DLBCL (χ2 test or Fisher exact test).
ND indicates not done.