Clinical Laboratory Hematology 3rd Edition by Shirlyn McKenzie, Lynne Williams

Exercise 20

A pathologist is looking at the bone marrow aspirate of a 26-year-old male. The marrow is packed with undifferentiated blasts. After careful searching, she could not find any Auer rods. She thinks that the patient most probably has acute lymphoblastic leukemia but cannot rule out AML by using morphology.
Which stain would you suggest the pathologist order? (Objectives 8, 9)
A) PAS
B) myeloperoxidase
C) nonspecific esterase
D) trichrome