Acute Undifferentiated Leukemia myeloperoxidase (MPO) reaction

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Acute Undifferentiated Leukemia myeloperoxidase (MPO) reaction

#00061456

Author: Heather Smith, MD, PhD; Girish Venkataraman, MD
Category: Laboratory Hematology > Special hematology tests > Myeloperoxidase stain
Published Date: 05/29/2018

This bone marrow aspirate smear, treated with a myeloperoxidase stain, comes from a patient with acute undifferentiated leukemia. A mature neutrophil (arrow) is brightly positive, while blasts and rare erythroid precursors (top right) that comprise the majority of cells are negative.

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