FAB Classification of Myeloid
FAB
M0
M1
MPO/SBB
M2
M3
M4
M5a
M5b
AS-D
NSE
M6
M7
+
+
+
+
+
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
-
-
-
-
Myeloblastic minimal
differentiation
Myeloblastic without
maturation
Myeloblastic with maturation
Promyelocytic
Myelomonocytic
Monocytic – poorly
differentiated
Monocytic - differentiated
Erythroleukemia
Megakaryocytic
ACUTE LEUKEMIAS