Figure 1.

(A) Peripheral blood smear showing example of circulating blasts (100×) (B) Bone marrow aspirate (100×) with many circulating heterogeneous blasts. The majority were medium to large sized with intermediate to fine chromatin with one or more prominent nucleoli and moderate amount of light blue cytoplasm. Some showed azurophilic granules, cytoplasmic blebs and or cytoplasmic vacuolation. Others were smaller with scant cytoplasm, more condensed chromatin and less prominent to inconspicuous nucleoli.