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Del(14)(q22.1q23.2) in a patient with anophthalmia and pituitary hypoplasia

✍ Scribed by Lemyre, E.; Lemieux, N.; D�carie, J.C.; Lambert, M.

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 36 KB
Volume: 77
Category: Article
ISSN: 0148-7299
DOI: 10.1002/(sici)1096-8628(19980501)77:2<162::aid-ajmg10>3.0.co;2-l

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✦ Synopsis

Only few cases with an interstitial deletion of chromosome 14 have been described so far. We report on a 21-month-old girl with an interstitial deletion of the long arm of chromosome 14, del(14)(q22.1q23.2). She presented with bilateral anophthalmia, absent left external auditory canal, facial asymmetry, microretrognathia, hypotonia, and psychomotor retardation. Skeletal X-rays showed lambdoid craniosynostosis, a very small sella turcica and cervical vertebral anomalies. Brain MRI showed the absence of the optic chiasm, an hypoplastic pituitary gland, and cortical atrophy. No cardiac or abdominal malformations were found. Two other patients with a similar deletion, (del(14)(q22.1q23) and del(14)(q22.1q22.3)), are described. Both presented with bilateral anophthalmia and absent pituitary or hypogonadism. These three cases suggest that the region 14q22 is important for eye and pituitary development. Interestingly, the human BMP-4 gene, a member of the TGF-beta superfamily, maps to 14q22-q23 and may play a role in pituitary and eye development.

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