Acute promyelocytic leukemia - hypergranular variant

Bone marrow aspirate from a patient with the hypergranular variant of acute promyelocytic leukemia (APL; formerly described in the French-American-British [FAB] classification as the M3 variant of acute myeloid leukemia). The cells in the top center and far left contain numerous intertwining Auer rods (arrows). (Wright-Giemsa stain)