&;Auer rods&; are seen in -: (A) Lymphoblast, (B) Myeloblast, (C) Erythroblast, (D) Megakaryoblast
Answer is B. Myeloblast is the earliest recognisable precursor of granulocytes.Myeloblast of AML may show presence of rod like cytoplasmic inclusions called Auer rods which represents abnormal derivatives of primary azurophilic granules. Reference : Harsh Mohan textbook of pathology, 7th edition.Pg no.324