Non specific esterase is positive in all categories of AML except:
NSE is characteristic of M4 and M5 leukemia only.NSE positivity is not characteristic feauture of other subclasses of AML. However NSE positivity may aldo be seen in 15-20 percent of cases of M7 NSE positivity is not a feauture of M0,M1,M2,M6 classes of AML.( ref Robbins 7th/759)
M3
M4
M5
M6
Haematology