Which of the following statement is false in cytochemistry of AML: (A) Myeloperoxidase and sudan Black are positive, (B) Periodic Acid-Sctiff is negative in erythroleukemia, (C) Non specific Esterase is positive in M4 and M5, (D) All the above
Answer is B. Enythroid type of acute mycloid leukemia show PAS positive crythroblast.