Fig. 4: Auer Rods.
From: Lysosomes in acute myeloid leukemia: potential therapeutic targets?

Image of acute promyelocytic leukemia (APL) blast cell. Black arrow heads indicate bundles of needle-shaped Auer rods. See text for further description. (Courtesy: Myriam Legros, Center of Laboratory Medicine, University Hospital Bern). Informed consent is available for all patients in oncology.