We have studied an autosomal dominant hypohidrotic ectodermal dysplasia in 38 individuals over six generations in one family. Thirty-two affected individuals in four generations are still living. Questionnaire responses were received from 21 of the affected relatives and some of the individuals were
Family with “pure” hair-nail ectodermal dysplasia
✍ Scribed by Barbareschi, M.; Cambiaghi, S.; Crupi, A. C.; Tadini, G.
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 25 KB
- Volume
- 72
- Category
- Article
- ISSN
- 0148-7299
- DOI
- 10.1002/(sici)1096-8628(19971003)72:1<91::aid-ajmg19>3.0.co;2-p
No coin nor oath required. For personal study only.
✦ Synopsis
"Pure" ectodermal dysplasias are developmental disorders affecting only tissues of ectodermal origin. Two different pure ectodermal dysplasias involving only hair and nails have been described to date. Here we describe congenital nail dystrophy and hypotrichosis associated with folliculitis decalvans in a family suggesting autosomal-dominant transmission. This report documents peculiar clinical and ultrastructural hair findings that fit poorly into previously described conditions. Thus the reported patients could represent a new type of pure ectodermal dysplasia.
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The ectodermal dysplasias are a heterogeneous group of conditions primarily affecting the hair, teeth, nails, and skin, and are classified according to the tissue(s) affected. The classification categories are: (1) abnormalities of hair, (2) dental defects, (3) abnormalities of nail morphology, and
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