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Title: Sensorineural deafness in two infants: A novel feature in the 22q distal duplication syndrome. Cardinal signs in trisomies 22 subtypes
Author: Barajas-Barajas, L.O.
Valdez, L.L.
Gonzalez, J.R.
Garcia-Garcia, C.
Rivera, H.
Ramirez, L.
Issue Date: 2004
Abstract: Sensorineural deafness in two infants: a novel feature in the 22q distal duplication syndrome. cardinal signs in trisomies 22 subtypes: Distal trisomy 22 has been described in more than 15 individuals. The features are severe mental and growth retardation, failure to thrive, congenital hypotonia, hydrocephalus, microcephaly, cleft palate, epicanthic folds, low-set ears, broad prominent nasal bridge, long philtrum, micrognathia, finger-like thumbs, cryptorchidism. We describe a girl deceased at the age of 12 years and an 11 year old boy, both with a duplication of distal 22q due to a parental pericentric inversion (22)(p13q12). Their phenotypes are compatible with distal trisomy of chromosome 22. However, they did not present cleft palate, but the survival of both patients permitted us to discover sensorineural deafness not previously reported in this chromosomal duplication.
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