PMC6557017_01
Top panel (pre-induction). Peripheral blood smear with blasts and immature monocytes (left). BM core biopsy at high magnification (40X) demonstrating early myeloid lineage cells (right). Bottom panel (post-induction at count recovery). Peripheral blood smear without circulating blasts (left). Normocellular bone marrow (right).
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Table 2). The sample showed marked aspiration artifact with focal hypercellular area (Figure 1).
Lymph node is completely replaced by immature myeloid infiltrate, and flow cytometry was positive for aberrant immature myeloid cells.
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Notably, the lymph node biopsy measured more than 4 cm and was completely replaced by immature myeloid infiltrates (Figure 2).