Expression of BSAP in B- and T-Cell Lymphomas
| Diagnosis . | Immunohisto- chemistry . | In Situ Hybridization . |
|---|---|---|
| B-cell lymphomas | ||
| Immunocytoma | 5/5 | 11/11 |
| B-lymphoblastic lymphoma | 3/3 | 3/3 |
| Mantle cell lymphoma | 3/3 | 6/6 |
| Burkitt lymphoma | 1/1 | 2/2 |
| Follicular lymphoma | 3/3 | 6/6 |
| Marginal zone lymphoma | 5/5 | 5/5 |
| Diffuse large B-cell lymphoma | 6/6 | 7/7 |
| Plasmacytoma | 0/4 | 2/5 (focal) |
| T-cell lymphomas | ||
| AILD-TCL | 0/7 | 0/4 |
| ALCL, 0-cell type | 0/6 | 1/1* |
| ALCL, T-type† | 0/13 | 0/2 |
| TCL, NOS | 0/5 | 0/2 |
| TCL, lymphoepitheloid | 0/3 | 0/2 |
| Adult T-cell lymphoma/leukemia | 0/2 | 0/4 |
| Intestinal T-cell lymphoma | 0/4 | ND |
| T-lymphoblastic | 0/1 | ND |
| Diagnosis . | Immunohisto- chemistry . | In Situ Hybridization . |
|---|---|---|
| B-cell lymphomas | ||
| Immunocytoma | 5/5 | 11/11 |
| B-lymphoblastic lymphoma | 3/3 | 3/3 |
| Mantle cell lymphoma | 3/3 | 6/6 |
| Burkitt lymphoma | 1/1 | 2/2 |
| Follicular lymphoma | 3/3 | 6/6 |
| Marginal zone lymphoma | 5/5 | 5/5 |
| Diffuse large B-cell lymphoma | 6/6 | 7/7 |
| Plasmacytoma | 0/4 | 2/5 (focal) |
| T-cell lymphomas | ||
| AILD-TCL | 0/7 | 0/4 |
| ALCL, 0-cell type | 0/6 | 1/1* |
| ALCL, T-type† | 0/13 | 0/2 |
| TCL, NOS | 0/5 | 0/2 |
| TCL, lymphoepitheloid | 0/3 | 0/2 |
| Adult T-cell lymphoma/leukemia | 0/2 | 0/4 |
| Intestinal T-cell lymphoma | 0/4 | ND |
| T-lymphoblastic | 0/1 | ND |
Abbreviations: AILD-TCL, T-cell lymphoma of angioimmunoblastic type; TCL, NOS, peripheral T-cell lymphoma not otherwise specified; TCL, lymphoepitheloid: Lymphoepitheloid T-cell lymphoma (Lennert’s lymphoma); ND, not determined.
Focal questionable labeling of neoplastic cells.
Including 4 cutaneous cases (not known whether primary or secondary).