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Ollier disease

Disease definition

Enchondromatosis is a rare primary bone dysplasia disorder characterized by the development of multiple mainly unilateral or asymmetrically distributed enchondromas throughout the metaphyses of the long bones.


Classification level: Disorder
  • Synonym(s):
    • Dyschondroplasia
  • Prevalence: 1-9 / 100 000
  • Inheritance: Not applicable 
  • Age of onset: Adolescent, Adult, Childhood
  • ICD-10: Q78.4
  • OMIM: 166000
  • UMLS: C0013366  C0014084
  • MeSH: D004687
  • GARD: 7251
  • MedDRA: 10014642

Detailed information

Article for general public


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