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Summery of Immunohistologic Findings
| Antibody | Total Positive |
|---|---|
| CD20 | 51/51 (100%) |
| CD3 or CD5 | 0/51 (0%) |
| CD43 | 10/42 (24%) |
| BCL2 | 12/28 (43%) |
| BCL1 | 0/13 (0%) |
| IgD | 0/26 (0%) |
| CD21 | 0/49 (0%, lymphoma cells) |
| Follicular colonization | 13/49 (27%, FDC) |
| Disrupted FDC meshwork | 35/49 (72%, FDC) |
| CD23 | 1/20 (5%, lymphoma cells) |
| CD10 | 0/21 (0%) |
| BCL6 | 0/40 (0%) |
| HGAL | 0/34 (0%) |
| LMO2 | 0/43 (0%) |
| CD138 | |
| Increased polyclonal plasma cells | 4/51 (8%) |
| Monoclonal plasma cells | 16/51 (31%) |
| Kappa | 7/16 (44%) |
| Lambda | 9/16 (56%) |
