Reference : Subtle trisomy 12q24.3 and subtle monosomy 22q13.3: Three new cases and review
Scientific journals : Letter to the editor
Life sciences : Genetics & genetic processes
http://hdl.handle.net/2268/84470
Subtle trisomy 12q24.3 and subtle monosomy 22q13.3: Three new cases and review
English
Rodriguez, L. [> > > >]
Guardia, N. M. [> > > >]
Herens, Christian mailto [Centre Hospitalier Universitaire de Liège - CHU > > PLAN COS >]
Jamar, Michelle [Centre Hospitalier Universitaire de Liège - CHU > > HOPITAL DE JOUR ONCOLOGIQUE SART TILMAN >]
Verloes, Alain [Université de Liège - ULg > > Génétique générale et humaine >]
Lopez, F. [> > > >]
Munoz, J. S. [> > > >]
Martinez-Frias, M. L. [> > > >]
1-Oct-2003
American Journal of Medical Genetics. Part A
Wiley Liss, Inc.
122A
2
119-124
Yes (verified by ORBi)
International
1552-4825
New York
[en] high resolution G-bands ; FISH ; subtle 12q trisomy ; subtle 22q monosomy ; subtelomeric probes
[en] The high resolution G-bands (850 bands) karyotype have made it possible to identify small chromosome anomalies (5 megabases) which are now microscopically visible. New techniques have been improved, such as the Fluorescent in situ hybridization (FISH) with subtelomeric probes, which can be employed to detect cryptic chromosome alterations not visible microscopically. We present three cases which had been remitted for a high resolution karyotype. The high resolution G-band karyotype and the FISH techniques led us to conclude that the three cases were carriers of a similar subtle chromosomal alteration. Case I is a new born female with developmental and psychomotor delay, hypotonia, and long limbs with arachnodactily. A high resolution G-band karyotype showed an abnormal chromosome 22. FISH techniques confirmed a der(22)t(12;22)(q24.31;q13.3). Case II is a 12-year-old girl, with growth retardation, long shaped face with thick eyebrows, smooth philtrum, and thin upper lip with severe mental retardation (still no language), with a phenotype very similar to that of his sister: long shaped face, thick eyebrows, smooth philtrum, and thin upper lip. A high resolution G-band karyotype also showed in Case II and III an abnormal chromosome 22, studied by FISH techniques which confirmed a der(22)t(12;-22)(q24.3; q13.3) in both cases. (C) 2003 Wiley-Liss, Inc.
http://hdl.handle.net/2268/84470

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