Fig. 2. (A) Bone marrow aspiration showing blasts with abundant granular cytoplasm and small vesicular nuclei (Giemsa, ×400). (B) Bone marrow biopsy showed replacement of hematopoietic precursors with blasts with vesicular nuclei and prominent nucleoli (H & E, ×400). (C) Biopsy showed blasts positive for CD61 and (D) positive for CD34.