De novo t(X;21)(q28;q11) in a girl with phenotypic features of Williams-Beuren syndrome.

AUTOR(ES)

Telvi, L

RESUMO

We describe a female infant with mental retardation and some of the phenotypic features of Williams-Beuren syndrome. Chromosome analysis showed t(X;21)(q28;q11). Diagnosis, inactivation of the X chromosome, and possible involvement of the translocation breakpoints in the pathogenesis of this syndrome are discussed.

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