Orphanet: Summitt syndrome

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Summitt syndrome

Disease definition

A rare syndromic trigonocephaly characterized by marked malformations of the head and face (essentially acrocephaly), broad depressed nasal bridge, narrow maxillae, abnormalities of the hands and feet (polydactyly, brachydactyly, syndactyly, clinodactyly, camptodactyly, ulnar deviation), obesity and congenital heart disease. This disease is considered a variant of Carpenter syndrome without intellectual disabaility. There have been no further descriptions in the literature since 1992.


Classification level: Disorder
  • Synonym(s): -
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal recessive 
  • Age of onset: Infancy, Neonatal
  • ICD-10: Q82.0
  • OMIM: 272350
  • UMLS: C1802405
  • MeSH: C538142
  • GARD: 127
  • MedDRA: -
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