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Spondyloepimetaphyseal dysplasia, Bieganski type

Disease definition

Spondyloepimetaphyseal dysplasia, Bieganski type is a rare primary bone dysplasia disorder characterized by infantile-onset, progressive, multiple skeletal deformities in association with slowly progressive central and peripheral neurodegeneration. Patients present short stature, coarse facies, psychomotor regression and cognitive impairment. Imaging shows abnormally-shaped vertebral bodies, small, flat epiphyses, and widened metaphyses, as well as cerebral and cerebellar atrophy and progressive axonal-hypomyelinating neuropathy.


  • Synonym(s): -
  • Prevalence: <1 / 1 000 000
  • Inheritance: X-linked recessive 
  • Age of onset: Infancy
  • ICD-10: Q77.7
  • OMIM: 300232
  • UMLS: -
  • MeSH: -
  • GARD: 4891
  • MedDRA: -

Additional information

Further information on this disease

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