<unk>  is a subtype of AML. It is classified as M0 by FAB. It represents 2–3% of all cases of AML. Although<unk><unk>  AML was recognized earlier, criteria for FAB M0 were developed in 1987. The blasts in these cases cannot be recognized as myeloid based on morphology and cytochemistry, but immunophenotyping demonstrates myeloid antigens.
Minimally differentiated acute myeloblastic leukemia
Atypical chronic myeloid leukemia
Acute myeloblastic leukemia without maturation
Acute myeloblastic leukemia with maturation
B-cell prolymphocytic leukemia
T-lymphoblastic leukemia/lymphoma
T-cell prolymphocytic leukemia
Aggressive NK-cell leukemia