| Literature DB >> 9600741 |
M J Nowaczyk1, J A Ramsay, P Mohide, D J Tomkins.
Abstract
Ring X chromosomes that do not undergo inactivation may cause malformations and mental retardation. We report on a fetus with anencephaly, total dorsal rachischisis, and diaphragmatic hernia that was found to have a mosaic 45,X/46,X,r(X)(p11.22q12) karyotype. Fluorescent in situ hybridization (FISH) confirmed that the ring chromosome was X-derived. This report expands the phenotypic spectrum of mosaic monosomy X and small ring X chromosomes.Entities:
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Year: 1998 PMID: 9600741
Source DB: PubMed Journal: Am J Med Genet ISSN: 0148-7299