Question: why are auer rods seen only in myeloblasts?
Answer: Auer rods are red staining, needle-like bodies seen in the cytoplasm of myeloblasts, and/or progranulocytes in certain leukemias. ... Their identification is very important because, if found, they can confirm the presence of myeloblasts indicating the presence of a non-lymphocytic (myeloid) leukemia.