Auer rod

Auer rods (or Auer bodies) are large, crystalline cytoplasmic inclusion bodies sometimes observed in myeloid blast cells during acute myeloid leukemia, acute promyelocytic leukemia, high-grade myelodysplastic syndromes and myeloproliferative disorders. Composed of fused lysosomes and rich in lysosomal enzymes, Auer rods are azurophilic and can resemble needles, commas, diamonds, rectangles, corkscrews, or (rarely) granules.[1]

  1. ^ Ackerman, G. Adolph (1950). "Microscopic and Histochemical Studies on the Auer Bodies in Leukemic Cells". Blood. 5 (9): 847–863. doi:10.1182/blood.V5.9.847.847. PMID 15434012.
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