De Novo Trisomy 1q10q23.3 Mosaicism Causes Microcephaly, Severe Developmental Delay, and Facial Dysmorphic Features but No Cardiac Anomalies

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2016-01-06

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Lo-A-Njoe, Shirley
van der Veken, LarsISNI 0000000394879804
Vermont, Clementien
Rafael-Croes, Louise
Keizer, Vincent
Hochstenbach, RonISNI 0000000395817410
Knoers, N. V A MISNI 0000000392114488
Van Haelst, Mieke M.ISNI 0000000392719356

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Abstract

Proximal duplications of chromosome 1q are rare chromosomal abnormalities. Most patients with this condition present with neurological, urogenital, and congenital heart disease and short life expectancy. Mosaicism for trisomy 1q10q23.3 has only been reported once in the literature. Here we discuss a second case: a girl with a postnatal diagnosis of a de novo pure mosaic trisomy 1q1023.3 who has no urogenital or cardiac anomalies.

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Lo-A-Njoe, S, van der Veken, L T, Vermont, C, Rafael-Croes, L, Keizer, V, Hochstenbach, R, Knoers, N & van Haelst, M M 2016, 'De Novo Trisomy 1q10q23.3 Mosaicism Causes Microcephaly, Severe Developmental Delay, and Facial Dysmorphic Features but No Cardiac Anomalies', Case reports in genetics, vol. 2016, 2861653, pp. 1-5. https://doi.org/10.1155/2016/2861653