Markers used in lineage assignment in WHO-HAEM4 classification
| Myeloid . | MPO . |
|---|---|
| Or | |
| Evidence of monocytic differentiation: 2 of NSE, CD11c, CD14, and CD64 | |
| B lineage | Strong CD19 and 1 strongly expressed marker: CD79a, cCD22, or CD10 |
| Or | |
| Weak CD19 and 2 strongly expressed markers: CD79a, cCD22, or CD10 | |
| T lineage | cCD3 (at level of expression of background T cells) or surface CD3 |
| Myeloid . | MPO . |
|---|---|
| Or | |
| Evidence of monocytic differentiation: 2 of NSE, CD11c, CD14, and CD64 | |
| B lineage | Strong CD19 and 1 strongly expressed marker: CD79a, cCD22, or CD10 |
| Or | |
| Weak CD19 and 2 strongly expressed markers: CD79a, cCD22, or CD10 | |
| T lineage | cCD3 (at level of expression of background T cells) or surface CD3 |
NSE, nonspecific esterase.