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Acute Myelogenous Leukemia Concurrent With Untreated Chronic Lymphocytic Leukemia

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Abstract

We report a case of acute myelogenous leukemia (AML) concurrent with untreated chronic lymphocytic leukemia (CLL). An 84-year-old Japanese man was admitted to the Chihaya Hospital with persistent high-grade fever. Morphologic observation of peripheral blood and bone marrow smears revealed a proliferation of blasts and lymphocytosis with small and mature phenotypes. Immunophenotyping of the blast cells revealed CD13+, CD33+, CD34+, and HLA-DR+, and that of the lymphocytes revealed CD5+, CD19+, CD20+, and λ+ on the cell surface. The peripheral lymphocytes revealed an IgH gene rearrangement. Chromosome analysis of 20 metaphase cells from bone marrow showed numerous abnormalities, containing +8,+11,+21. The patient’s disease was diagnosed as AML with trilineage dysplasia concurrent with CLL. The simultaneous occurrence of AML and CLL is extremely rare but should not be overlooked as a possible underlying cause of lymphocyte abnormalities in AML patients.

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Authors and Affiliations

  1. Department of Internal Medicine, Chihaya Hospital, Fukuoka City

    Tsuyoshi Muta & Yoshiyuki Niho

  2. Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka City, Japan

    Takashi Okamura

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  1. Tsuyoshi Muta
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  2. Takashi Okamura
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  3. Yoshiyuki Niho
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Muta, T., Okamura, T. & Niho, Y. Acute Myelogenous Leukemia Concurrent With Untreated Chronic Lymphocytic Leukemia. Int J Hematol 75, 187–190 (2002). https://doi.org/10.1007/BF02982026

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  • DOI: https://doi.org/10.1007/BF02982026

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