Search for a rare disease

* (*) mandatory field

Other search option(s)

Suggest an update

(*) Required fields.


Only comments seeking to improve the quality and accuracy of information on the Orphanet website are accepted. For all other comments, please send your remarks via contact us. Only comments written in English can be processed.

Orphanet doesn't provide personalised answers. To get in touch with the Orphanet team, please contact

Information provided in your contribution (including your email address) will be stocked in .CSV files that will be sent as an email to Orphanet's teams. These emails might be conserved in the teams' mailboxes, in our backoffice servers but will not be registered in our databases (for more information see our section General Data Protection Regulation and data privacy (GDPR) and Confidentiality).

Captcha image

Spondylodysplastic Ehlers-Danlos syndrome

Disease definition

A rare connective tissue disorder for which three subtypes exist, either related to the gene B4GALT7, B3GALT6 or SLC39A13, and for which the clinically overlapping characteristics include short stature (progressive in childhood), small joint hypermobility, skin hyperextensibility with soft, doughy skin especially on the hands and feet muscular hypotonia (ranging from congenitally severe to mild with later_onset), skeletal anomalies and, more variably, osteopenia, delayed motor development and bowing of the limbs. Gene-specific features, with variable presentation, are additionally observed in each subtype.


Classification level: Disorder
  • Synonym(s):
    • Spondylodysplastic EDS
    • spEDS
  • Prevalence: <1 / 1 000 000
  • Inheritance: -
  • Age of onset: Neonatal, Infancy
  • ICD-10: Q79.6
  • ICD-11: LD28.1Y
  • OMIM: 130070  612350  615349
  • UMLS: C5680154
  • MeSH: -
  • GARD: -
  • MedDRA: -

Detailed information


ERN produced/endorsed by ERN(s)   FSMR produced/endorsed by FSMR(s)
The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.