Duplication of 5q15-q23.2: case report and literature review.

Birth Defects Res A Clin Mol Teratol

Program in Genomics, Children's Hospital, Harvard Medical School, Boston, MA 02115, USA.

Published: April 2006

Background: Pure partial trisomy of chromosome 5q is rare and cases have ranged over the entire region, making it difficult to describe a good phenotypic correlation to the cytogenetic duplication.

Case: We present a 4.5-year-old girl with a de novo direct duplication of chromosome 5q15-q23.2. She has moderate developmental delay with lack of speech, microcephaly, and subtle dysmorphic features including prominent forehead, bulbous nose, epicanthic folds, protruding tongue, and slightly posteriorly-rotated ears.

Conclusions: A comparison is made with other similar duplication cases reported in the literature and a general description of a proximal 5q duplication phenotype is given, with lack of speech as the principal feature.

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http://dx.doi.org/10.1002/bdra.20244DOI Listing

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