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Dyggve-Melchior-Clausen disease

ORPHA:239· ICD-10 Q77.7

Definition

A rare, genetic primary bone dysplasia of the spondylo-epi-metaphyseal dysplasia (SEMD) group characterized by progressive short-trunked dwarfism, protruding sternum, microcephaly, intellectual disability and pathognomonic radiological findings (generalized platyspondyly with double-humped end plates, irregularly ossified femoral heads, a hypoplastic odontoid, and a lace-like appearance of iliac crests)

Prevalence
<1 / 1 000 000
Inheritance
Autosomal recessive
Age of onset
Infancy