A case of chronic myelomonocytic leukemia with isochromosome 14q. 1998

L Flaherty, and A Jarvis, and M Harris, and V Tyrrell, and A Smith
Department of Cytogenetics, Royal Alexandra Hospital, Westmead, New South Wales, Australia.

A 72-year-old man with increased monocytes and eosinophils in the bone marrow was found to have an isochromosome, i(14q), as the sole abnormality on bone-marrow cytogenetics. Follow-up over 12 months with repeat cytogenetic testing of bone marrow specimens on three further occasions showed an additional abnormality consisting of an apparently balanced translocation, t(6;21)(p21.1; q22). This abnormality, together with other features, indicated disease progression. A review of seven reported cases of i(14q) revealed limited follow-up information.

UI MeSH Term Description Entries
D007621 Karyotyping Mapping of the KARYOTYPE of a cell. Karyotype Analysis Methods,Analysis Method, Karyotype,Analysis Methods, Karyotype,Karyotype Analysis Method,Karyotypings,Method, Karyotype Analysis,Methods, Karyotype Analysis
D008297 Male Males
D002883 Chromosomes, Human, Pair 14 A specific pair of GROUP D CHROMOSOMES of the human chromosome classification. Chromosome 14
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor
D015477 Leukemia, Myelomonocytic, Chronic A myelodysplastic-myeloproliferative disease characterized by monocytosis, increased monocytes in the bone marrow, variable degrees of dysplasia, but an absence of immature granulocytes in the blood. Myelomonocytic Leukemia, Chronic,Chronic Myelomonocytic Leukemia,Chronic Myelomonocytic Leukemias,Leukemia, Chronic Myelomonocytic,Leukemias, Chronic Myelomonocytic,Myelomonocytic Leukemias, Chronic
D018404 Isochromosomes Metacentric chromosomes produced during MEIOSIS or MITOSIS when the CENTROMERE splits transversely instead of longitudinally. The chromosomes produced by this abnormal division are one chromosome having the two long arms of the original chromosome, but no short arms, and the other chromosome consisting of the two short arms and no long arms. Each of these isochromosomes constitutes a simultaneous duplication and deletion. Isochromosome

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