Diatropic Dysplasia (DD):
Characterised by short limbs, short stature, kyphoscoliosis, generalised joint dysplasia, hand and foot deformities, premature osteoarthritis. Autosomal recessive
High incidence in Finland (1-2% of population are carriers)
Normal intelligence. Joint symptoms can be very disabling.
Due to defect in gene coding for a sulfate transporter protein.
• prominent cheeks
• flattened nasal bridge
• 50% cleft palete
• Flexed contracture at hips
• Usually rigid
• Varies from valgus of rearfoot to clubfoot.
• Hallux varus- t/t surgical to remove plantigrade
• 43% addusted and valgus
• 37% equinovarus