Orphanet: Spondyloepimetaphyseal dysplasia, Geneviève type

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Spondyloepimetaphyseal dysplasia, Geneviève type

Disease definition

Spondyloepimetaphyseal dysplasia, Geneviève type is a rare primary bone dysplasia characterized by severe developmental delay and skeletal dysplasia (including short stature, premature carpal ossification, platyspondyly, longitudinal metaphyseal striations, and small epiphyses), as well as moderate to severe intellectual disability and facial dysmorphism, including prominent forehead, mild synophrys, depressed nasal bridge, prominent bulbous nasal tip and full lips.


Classification level: Disorder
  • Synonym(s):
    • SEMD, Geneviève type
    • SEMDG
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal recessive 
  • Age of onset: Infancy
  • ICD-10: Q77.7
  • OMIM: 610442
  • UMLS: C1864872
  • MeSH: C535785
  • GARD: 10057
  • MedDRA: -
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