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Published online 2011 January 21. doi: 10.1093/bfgp/elr002

Table 1:

FAB classification of AML subtypes

TypeNameImpaired differentiation
M0Acute myeloblastic leukemia, with minimal differentiationGranulocytic
M1Acute myeloblastic leukemia, without maturationGranulocytic
M2Acute myeloblastic leukemia, with maturationGranulocytic
M3Acute promyelocytic leukemiaGranulocytic
M4Acute myelomonocytic leukemiaGranulocytic and monocytic
M4eosMyelomonocytic together with bone marrow eosinophiliaGranulocytic and monocytic
M5Acute monoblastic leukemia (M5a) or acute monocytic leukemia (M5b)Monocytic
M6Acute erythroid leukemiasErythroid and granulocytic
M7Acute megakaryoblastic leukemiaMegakaryocytic