NOS:
Acute megakaryoblastic leukemia
Megakaryoblasts:
- Usually positive for CD41, CD61, CD42b, CD36.
- Variably express CD13, CD33, CD45, CD117.
- Often negative for CD34, HLA-DR.
Pure erythroid leukemia
Erythroblasts:
- Usually positive for E-cadherin, glycophorin, haemoblobin A, CD36, CD71, CD117.
- Often negative for CD34, CD45, HLA-DR.
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