Conditions / Genetic

osteosclerotic metaphyseal dysplasia

info ยท Genetic

A metaphyseal dysplasia that is characterized by distinctive radiographic changes, including osteosclerosis localized predominantly to the metaphyses of the long bones and that has_material_basis_in homozygous mutation in the LRRK1 gene on chromosome 15q26.

Signs and symptoms

  • Hyporeflexia
  • Sclerotic vertebral endplates
  • Global developmental delay
  • Hypotonia
  • Failure to thrive
  • Dense metaphyseal bands
  • Metaphyseal dysplasia
  • Clavicular sclerosis
  • Seizure
  • Elevated circulating alkaline phosphatase concentration