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Karyotype and age in acute myeloid leukemia. Are they linked?

Moorman, Anthony V., Roman, Eve, Willett, Eleanor V., Dovey, Gareth J., Cartwright, Raymond A. and Morgan, Gareth J. (2001) Karyotype and age in acute myeloid leukemia. Are they linked? Cancer Genetics and Cytogenetics, 126, (2), pp. 155-161. (doi:10.1016/S0165-4608(00)00414-3).

Record type: Article


A novel hierarchical cytogenetic classification for acute myeloid leukemia (AML) has been developed. Patients with successful cytogenetics and a diagnosis of AML were categorized into four mutually exclusive karyotype groups: normal, translocation, deletion and trisomy. Patients with more than one chromosomal abnormality were classified using the hierarchy: established translocation>established deletion>established trisomy>non-established translocation>non-established deletion>non-established trisomy. A total of 593 AML patients from a large population-based case-control study of acute leukemia were classified according to their diagnostic karyotype. The four karyotype groups showed different age distributions. Overall the frequency of patients increased with age as did the frequency of patients with a deletion, trisomy or normal karyotype. Although the increase of patients with age was much sharper for patients with a deletion. In contrast, the distribution of patients with a translocation was roughly constant with age. We concluded that there was a link between karyotype and the age of the patient at diagnosis. Furthermore, two karyotype groups, translocations and deletions, may define disease entities with different etiologies. This novel cytogenetic classification will allow other studies to examine whether AML cases with very different types of chromosomal abnormality have the same etiology.

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Published date: 2001


Local EPrints ID: 26491
ISSN: 0165-4608
PURE UUID: 13f31220-086e-4c42-ba74-e38ea1863c67

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Date deposited: 12 Apr 2006
Last modified: 17 Jul 2017 16:07

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Author: Anthony V. Moorman
Author: Eve Roman
Author: Eleanor V. Willett
Author: Gareth J. Dovey
Author: Raymond A. Cartwright
Author: Gareth J. Morgan

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