AbstractThe coexistence of chronic myeloid leukemia (CML) and B-cell chronic lymphocytic leukemia (CLL) in the same patient is rare. A 71-year-old woman developed a B-lineage lymphoid blast crisis at 18 months after diagnosis of Ph-positive CML. At this time, a lymphoid cell population with morphologic and immunophenotypic features of CLL was demonstrated. The retrospective review of the tests performed at diagnosis and thereafter disclosed the presence of lymphoid nodules in the initial bone marrow biopsy in the absence of lymphocytosis. Subsequently, there was an appearance of moderate lymphocytosis in the following months. Therefore, diagnosis of CML and coexistent CLL was established. Although a transient remission of blast crisis was achieved, blast cells reappeared two months later and the patient died shortly afterwards. Molecular studies of the immunoglobulin heavy chain gene (IH) rearrangement pattern point to the origin of the diseases in two different cell clones. In addition, previously published cases of simultaneous CLL and CML are reviewed.
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Vol. 82 No. 5 (1997): September, 1997 : Case Reports
Ferrata Storti Foundation, Pavia, Italy
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