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Immunohistochemical testing results for large B-cell lymphoma
| Positive | Negative | |
|---|---|---|
| CD20 | CD3 | Cyclin D1 |
| PAX5 | CD5 | Pan keratin |
| BCL6 | CD10 | EBV-EBER |
| Ki67 (90-95% positive) | MUM1 (<30% positive) | FISH studiesa |
| c-Myc | BCL2 | |
aFISH studies for large B-cell lymphoma included testing for rearrangements of BCL2, BCL6, MYC and amplification of MYC
