Peripheral Blood Smear
Blasts were seen on the peripheral smear.
Marrow Aspirate
The aspirate shows blasts and very rare normal elements.
Marrow Biopsy
Normal marrow elements are replaced by blasts with high N:C ratio, fine chromatin,
and inconspicuous nucleoli. Mitoses are present.
Low power biopsy
Bone marrow core biopsy is markedly hypercellular
Immunohistochemistry stains
Immunohistochemistry stains on core biopsy. The blasts were positive for CD34, CD79a, TdT, and CD10
