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Multiple epiphyseal dysplasia due to collagen 9 anomaly
Disease definition
Multiple epiphyseal dysplasia due to collagen 9 anomaly is a rare primary bone dysplasia disorder characterized by normal or mild short stature, early-onset pain and/or stiffness of the joints (mainly affecting knees but also elbows, wrists, ankles and fingers, with relative sparing of the hips) and early degenerative joint disease. Other skeletal anomalies (incl. varus or valgus deformities, osteochondritis dissecans, abnormal carpal shape, free articular bodies) and mild myopathy have also been reported.
ORPHA:166002
Classification level: DisorderA summary on this disease is available in Deutsch (2018) Español (2018) Français (2018) Italiano (2018) Nederlands (2018)
Detailed information
Disease review articles
- Clinical genetics review
- English (2019) - GeneReviews


Additional information
Further information on this disease
Patient-centred resources for this disease
Research activities on this disease
Specialised Social Services
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