Info
germinal-center B-cell
- High-grade B-cell lymphoma w/ MYC & BCL2 &/or BCL6 translocations by FISH (formerly “double-hit in DLBCL”) represent ∼8% of all DLBCL & have poorer prog.
- Almost always GCB.
- IHC detected “double expressors” (MYC >40% BCL2 >70%) may be assoc w/ ↓ prog (JCO 2012;30:3460).
- Burkitt typically BCL-2(−) vs. DLBCL nearly always BCL2(+)