Auer Rods.
Auer rods are rod-shaped crystalline structures originating from primary granules of myeloid cells.
Pathognomonic for acute myeloid leukemia.
Pathologically low pH of tumor leukocytes provoked the formation of Auer rods.
Bundle of Auer rods: Faggot cells (image 3) are characteristic and strongly indicative of acute promyelocytic leukemia.




