The arrow marks an auer rod. Auer rods are distinctive azurophilicstructures resulting from the coalescence of primary granules.They may be found in cells of myeloid lineage in either MDSor AML.
Peter Maslak, Memorial Sloan-Kettering Cancer Center
The above image was first published in the ASH IMAGE BANK, a reference and teaching tool that is continually updated with new atlas images and images of case studies.
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