Scoring System for the Definition of BAL
| Points-150 . | B Lineage . | T Lineage . | Myeloid Lineage . |
|---|---|---|---|
| 2 | CD79a | CD3 (cyt/m) | Anti-MPO |
| cyt IgM | Anti-TCR α/β | ||
| cyt CD22 | Anti-TCR γ/δ | ||
| 1 | CD19 | CD2 | CD13 |
| CD10 | CD5 | CD33 | |
| CD20 | CD8 | CD65s | |
| CD10 | |||
| 0.5 | TdT | TdT | CD14 |
| CD24 | CD7 | CD15 | |
| CD1a | CD64 | ||
| CD117 |
| Points-150 . | B Lineage . | T Lineage . | Myeloid Lineage . |
|---|---|---|---|
| 2 | CD79a | CD3 (cyt/m) | Anti-MPO |
| cyt IgM | Anti-TCR α/β | ||
| cyt CD22 | Anti-TCR γ/δ | ||
| 1 | CD19 | CD2 | CD13 |
| CD10 | CD5 | CD33 | |
| CD20 | CD8 | CD65s | |
| CD10 | |||
| 0.5 | TdT | TdT | CD14 |
| CD24 | CD7 | CD15 | |
| CD1a | CD64 | ||
| CD117 |
According to EGIL,13 BAL is defined when scores are over 2 for the myeloid and one of the lymphoid lineages.
Each marker scores the correspondent point.