diastrophic dysplasia

Diastrophic dysplasia is a rare autosomal recessive bone dysplasia.

Synopsis

 variable micromelic dwarfism without thoracic dysplasia, - foot deformities

• tarsus valgus
• metatarsus adductus
• clubfoot

 ulnar deviation of the hands with abnormally placed thumbs (hitch hiker deformity)
 flexion contractures

• multiple subluxations or dislocations

 hitch hiker thumb