Non specific esterase is positive in all the categories of AML except-: (A) M3, (B) M4, (C) M5, (D) M6
Answer is D. M6 is positive for periodic acid Schiff in the case of erythroblasts and myeloperoxidase in the case of myeloblasts. Reference: textbook of Pathology 6th edition Author Harsh Mohan, page number 364.