SM-AML with t(8;21). Immunhistochemical phenotype of mast cells and AML blast cells
| Antigen | CD | Blast cells | Mast cells |
|---|---|---|---|
| AML, acute myeloid leukaemia; NC, not clustered; SM, systemic mastocytosis. | |||
| Chloroacetate esterase | NC | + | + |
| Myeloperoxidase | NC | + | − |
| 3-Fal/Le | 15 | −/+ | − |
| HPCA-1 | 34 | −/+ | − |
| Macro-Si | 68 | −/+ | − |
| Kit | 117 | − | + |
| Tryptase | NC | − | + |
| Chymase | NC | − | + |
| IL-2Rα | 25 | − | +/− |
| LFA-2 | 2 | − | − |