The stain used for demonstrating Auer rods in blasts is -: (A) Periodic Acid Schiff(PAS, (B) Myeloperoxidase, (C) Leucocyte alkaline phosphatase, (D) Non-specific esterase
Answer is B. The cytochemical stain, Myeloperoxidase is positive in immature myeloid cells containing granules and Auer rods Reference textbook of Pathology 7th edition author Harsha Mohan page number 342