期刊
EUROPEAN JOURNAL OF MEDICAL GENETICS
卷 51, 期 3, 页码 219-225出版社
ELSEVIER
DOI: 10.1016/j.ejmg.2007.12.009
关键词
array-CGH; complex intrachromosomal rearrangement; 19p13.11; duplication; triplication; ventricular septal defect; microcephaly; mental retardation
Complex chromosomal rearrangements [CCRs] are considered very rare, but are being detected with an increasing frequency because of the enhanced resolution of novel molecular karyotyping techniques like array-CGH. This report describes a patient carrying a unique CCR involving one duplication and two triplications in a 3.2 Mb region on 19p13.11. The patient presented with microcephaly, velopharyngeal insufficiency, dysmorphism, mental retardation and a muscular ventricular septal defect. We show that CCRs are likely to be more frequent than hitherto appreciated. This has important consequences for genotype-phenotype correlations and warrants caution before labelling imbalances as simple. (C) 2008 Elsevier Masson SAS. All rights reserved.
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