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Updated: Mar 30, 2026

Flow Cytometry to Estimate Leukemia Stem Cells in Primary Acute Myeloid Leukemia and in Patient-derived-xenografts, at Diagnosis and Follow Up
Published on: March 26, 2018
Case report: Concomitant Chronic Lymphocytic Leukaemia and Cytogenetically Normal de novo Acute Leukaemia in a
Béla Kajtár1, Péter Rajnics2, Miklós Egyed2
1Pécs University, Faculty of Medicine, Department of Pathology, Pécs-Hungary.
Abstract:
The simultaneous occurrence of acute myeloid leukaemia with untreated chronic lymphocytic leukemia is extremely rare. We report a case of a 74-year-old man who was evaluated for macrocytic anaemia. Based on the morphology and immunophenotyping analysis of peripheral blood, a diagnosis of chronic lymphocytic leukemia was established. Subsequently, the bone marrow examination revealed the presence of two distinct, coexisting CLL and AML clones. Cytogenetic and molecular genetic analysis detected deletion 13q14.3 and unmutated immunoglobulin variable heavy-chain in the CLL clone, only. The AML and CLL clones did not share clonality, and the AML did not involve the peripheral blood. A diagnosis of cytogenetically normal de novo AML occurring concurrently with untreated CLL has not been reported previously in English literature.
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