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dup(1)(q21q32) as a sole cytogenetic event is associated to a leukemic transformation in myelodysplastic syndromes.

Authors
Type
Published Article
Journal
Leukemia Research
0145-2126
Publisher
Elsevier
Publication Date
Volume
32
Issue
1
Pages
159–161
Identifiers
PMID: 17509681
Source
Medline
License
Unknown

Abstract

Duplication of the long arm of chromosome 1 (1q) has been detected accompanied with other chromosome abnormalities in Myelodysplastic Syndromes (MDS). However, as a sole karyotypic change, it is rarely observed. We present here two patients affected of a MDS that showed a dup(1)(q21q32) as a sole cytogenetic change in their bone marrow cells. Complementary methodologies confirmed the duplication of chromosome 1q and, did not show additional cryptic chromosome abnormalities. One patient acquired a secondary trisomy 8 and the other one progressed toward an acute leukemia with no additional cytogenetic alterations.

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