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Acrocapitofemoral dysplasia

Orpha number ORPHA63446
Synonym(s) -
Prevalence <1 / 1 000 000
Inheritance Autosomal recessive
Age of onset Infancy
Neonatal
ICD-10
  • Q78.8
ICD-O -
OMIM
UMLS -
MeSH -
MedDRA -

Summary

Acrocapitofemoral dysplasia is a recently delineated skeletal dysplasia, characterized clinically by short stature of variable degrees with short limbs, brachydactyly and narrow thorax.

It has been described in 5 individuals in 2 families.

Affected patients have normal intelligence. Radiographically, cone-shaped epiphyses are observed in the hands, the proximal part of the femur, and, to a variable degree, at the shoulders, knees, and ankles.

Homozygous mutations in the Indian hedgehog homolog gene (IHH; 2q33-q35), outside the region where brachydactyly type A-1 mutations are clustered, have been identified in affected patients.

The condition is transmitted as an autosomal recessive trait.


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