PMC10430146_01
Peripheral smear showing myeloblasts, monoblasts, and promonocytes (Giemsa x 400).
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PMC10430146_01_gr1.jpg
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Peripheral blood smear revealed the presence of 85% blast population with monocytoid morphology [Fig. 1].
PMC10430146_02
(a) BM aspirate showing myeloblasts (b) BM biopsy showing trilineage suppression and replacement by blasts.
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PMC10430146_02_gr2.jpg
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Black. Bone marrow biopsy revealed a hypercellular marrow with near total replacement by blasts [Fig. 2(b)] that were positive for CD34, MPO, CD 117, and negative for TdT.
PMC10430146_03
Peripheral smear showing leucocytosis with the presence of lymphoblasts (Leishman x 400).
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PMC10430146_03_gr3.jpg
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Peripheral blood smear showed the presence of 83% blasts which showed block positivity on Periodic acid Schiff (PAS) stain [Fig. 3].