Oncohematology

Monoblast and Promonocyte Morphology in AML M5a

Explore the morphology of monoblasts and promonocytes in acute myeloid leukemia (FAB M5a). Understand the role of promonocytes as blast equivalents in cell maturation arrest.

Blood smear: monoblasts and promonocytes in acute myeloid leukemia M5a
Blood smear: monoblasts and promonocytes in acute myeloid leukemia M5a

Monoblasts and promonocytes in acute myeloid leukemia, M5a variant

However, promonocytes are classified as blast cells to characterize the maturation arrest observed in acute leukemias.