Orphanet: Chondroectodermal dysplasia with night blindness

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Chondroectodermal dysplasia with night blindness

Disease definition

Chondroectodermal dysplasia with night blindness is a rare genetic bone development disorder characterized by proportionate short stature, nail dysplasia (enlarged, convex, hypertrophic nails), hypodontia and night blindness. Osteopenia, a tendency to present fractures, talipes varus with abnormal gait, ear infections, and watering eyes due to narrow tear ducts are frequently associated. Radiologically patients present delayed bone age on wrist X-rays, platyspondyly, and broad metaphyses of humeri with dense and thickened growth plates.


Classification level: Disorder
  • Synonym(s): -
  • Prevalence: <1 / 1 000 000
  • Inheritance: -
  • Age of onset: Neonatal, Infancy
  • ICD-10: Q77.6
  • OMIM: -
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -
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