Summary of CPP32 Immunostaining Results
| Diagnosis . | Total . | Positive . | Negative . |
|---|---|---|---|
| Reactive | 22 | 22 | 0* |
| FSC | 27 | 5 | 22 |
| t(14:18) | 22 | 5 | 17 |
| Non t(14:18) | 5 | 0 | 5 |
| FM | 17 | 12 | 5† |
| t(14:18) | 11 | 8 | 3 |
| Non t(14:18) | 6 | 4 | 2 |
| FLCL | 14 | 8 | 6 |
| t(14:18) | 9 | 5 | 4 |
| Non t(14:18) | 5 | 3 | 2 |
| DM-B | 3 | 2 | 1 |
| DLCL-B | 12 | 10 (1)‡ | 2 |
| SLL | 3 | 0 | 3 |
| SLL-plasmacytoid | 2 | 2 (LC) | 1 SC |
| 1 (SC) | |||
| PC | 12 | 8 (1)‡ | 4 |
| B-CLL | 12 | 12 (1)‡ | 0 |
| MBCL | 5 | 0 | 5 |
| MCL | 11 | 8 (8)‡ | 3 |
| MALTomas | 9 | 2 | 7 |
| SC | 4 | 0 | 4 |
| SC and LC | 1 | 0 | 1 |
| LC | 4 | 2 | 2 |
| SNC-B | 3 | 3 (1)‡ | 0 |
| SNC-NB | 5 | 5 (1)‡ | 0 |
| IBL | 5 | 5 | 0 |
| LBL | 1 | 0 | 1 |
| ALCL | 9 | 7 | 2 |
| B-cell | 3 | 2 | 1 |
| T-cell | 6 | 5 | 1 |
| DLCL/DM-T | 14 | 13 (2)‡ | 1 |
| Diagnosis . | Total . | Positive . | Negative . |
|---|---|---|---|
| Reactive | 22 | 22 | 0* |
| FSC | 27 | 5 | 22 |
| t(14:18) | 22 | 5 | 17 |
| Non t(14:18) | 5 | 0 | 5 |
| FM | 17 | 12 | 5† |
| t(14:18) | 11 | 8 | 3 |
| Non t(14:18) | 6 | 4 | 2 |
| FLCL | 14 | 8 | 6 |
| t(14:18) | 9 | 5 | 4 |
| Non t(14:18) | 5 | 3 | 2 |
| DM-B | 3 | 2 | 1 |
| DLCL-B | 12 | 10 (1)‡ | 2 |
| SLL | 3 | 0 | 3 |
| SLL-plasmacytoid | 2 | 2 (LC) | 1 SC |
| 1 (SC) | |||
| PC | 12 | 8 (1)‡ | 4 |
| B-CLL | 12 | 12 (1)‡ | 0 |
| MBCL | 5 | 0 | 5 |
| MCL | 11 | 8 (8)‡ | 3 |
| MALTomas | 9 | 2 | 7 |
| SC | 4 | 0 | 4 |
| SC and LC | 1 | 0 | 1 |
| LC | 4 | 2 | 2 |
| SNC-B | 3 | 3 (1)‡ | 0 |
| SNC-NB | 5 | 5 (1)‡ | 0 |
| IBL | 5 | 5 | 0 |
| LBL | 1 | 0 | 1 |
| ALCL | 9 | 7 | 2 |
| B-cell | 3 | 2 | 1 |
| T-cell | 6 | 5 | 1 |
| DLCL/DM-T | 14 | 13 (2)‡ | 1 |
Abbreviations: FSC, follicular small-cleaved cell; FM, follicular mixed cell; FLCL, follicular large cell lymphomas; DM-B, diffuse mixed B-cell lymphoma; DLCL-B, diffuse large B-cell lymphoma; SLL, small lymphocytic lymphoma; PC, plasmacytomas; B-CLL, B-cell chronic lymphocytic leukemia; MALToma, mucosal associated lymphomatous tumor; MBCL, monocytoid B-cell lymphoma; MCL, mantle cell lymphoma; SC, small cell; LC, large cell; SNC-B, small noncleaved Burkitt; SNC-NB, small noncleaved non-Burkitt; IBL, immunoblastic lymphoma; LBL, lymphoblastic lymphoma; ALCL, anaplastic large B cell; DLCL, diffuse large cell lymphoma; DM-T, diffuse mixed T cell.
GC strongly CPP32 stained. MZ B cells negative.
LC were CPP32 positive. In 4 cases, the small cells were also CPP32 positive.
Designates number of cases with weak-intensity CPP32 immunostaining. All others have moderate-strong intensity CPP32 immunoreactivity in majority of the cells.