Acute Promyelocytic Leukemia (APL)

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Acute Promyelocytic Leukemia (APL)

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Author: Najmaldin Saki, Ph.D, FCLS; Amirhossein Mohammadzadeh, M.Sc; Mina Hosseini, B.Sc
Category: Myeloid Neoplasms and acute leukemia (WHO 2016) > Acute Myeloid Leukemia
Published Date: 01/22/2026

Bone marrow aspirate showing multiple immature myeloid cells with features characteristic of acute promyelocytic leukemia (APL), including abnormal promyelocytes with irregular nuclear contours and moderately basophilic cytoplasm. A blast containing a distinct Auer rod is present, supporting the diagnosis. An immature erythroid precursor is also visible within the field.

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