AML FAB Classification

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The page below is a sample from the LabCE course Acute Leukemia with a Focus on WHO Classification. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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AML FAB Classification

Although the French-American-British (FAB) classification has been replaced, it is still often referred to and provides a point of reference. Table 6 lists the FAB categories.
Table 6. AML FAB Classification.
FAB SubtypeName
M0Undifferentiated acute myeloblastic leukemia
M1Acute myeloblastic leukemia with minimal maturation
M2Acute myeloblastic leukemia with maturation
M3Acute promyelocytic leukemia
M4Acute myelomonocytic leukemia
M4 eosAcute myelomonocytic leukemia with eosinophila
M5Acute monocytic leukemia
M6Acute erythroid leukemia
M7Acute megakaryocytic leukemia
If you look back on the WHO classifications, you will see that a number of these names are listed under the WHO group "therapy related myeloid neoplasms."