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1996•American Journal of HematologyRequires access

Acute lymphoblastic leukemia with myeloperoxidase activity

Susan Wright, Antoine Chucrallah, Yap Yee Chong, Hagop M. Kantarjian, Michael J. Keating, Maher Albitar

Open publisher page 15 citations

Abstract

The French-American-British (FAB) classification of acute leukemias is based on the light microscopic detection of myeloperoxidase (MPO) activity in blast cells. Cells with MPO activity in > 3% of cells are classified as acute myeloid leukemia (AML) and usually express myeloid cell surface antigens. We describe a case of acute leukemia in which the blast cells have lymphoid morphology, ultrastructure, immunophenotype, and molecular rearrangements, but express significant amounts of MPO. We discuss the incidence, features, and outcome of MPO-positive acute lymphoblastic leukemia (ALL).

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What this paper is about

The French-American-British (FAB) classification of acute leukemias is based on the light microscopic detection of myeloperoxidase (MPO) activity in blast cells. Cells with MPO activity in > 3% of cells are classified as acute myeloid leukemia (AML) and usually express myeloid cell surface antigens. We describe a case of acute leukemia in which the blast cells have lymphoid morphology, ultrastructure, immunophenotype, and molecular rearrangements, but express significant amounts of MPO. We discuss the incidence, features, and outcome of MPO-positive acute lymphoblastic leukemia (ALL).

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OpenAlex reports 15 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

The French-American-British (FAB) classification of acute leukemias is based on the light microscopic detection of myeloperoxidase (MPO) activity in blast cells. Cells with MPO activity in > 3% of cells are classified as acute myeloid leukemia (AML) and usually express myeloid cell surface antigens. We describe a case of acute leukemia in which the blast cells have lymphoid morphology, ultrastructure, immunophenotype, and molecular rearrangements, but express significant amounts of MPO. We discuss the incidence, features, and outcome of MPO-positive acute lymphoblastic leukemia (ALL).

Key concepts: Myeloperoxidase, Immunophenotyping, Myeloid leukemia, Precursor cell, Myeloid, Leukemia, Acute leukemia, CD33

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