Conditions / Syndrome

progressive osseous heteroplasia

info ยท Syndrome

A syndrome characterized by infantile onset of dermal ossification followed by progressive bone formation in skeletal muscle and deep fascia that has_material_basis_in heterozygous loss of function mutation in the Gs-alpha isoform of the GNAS gene on chromosom

A syndrome characterized by infantile onset of dermal ossification followed by progressive bone formation in skeletal muscle and deep fascia that has_material_basis_in heterozygous loss of function mutation in the Gs-alpha isoform of the GNAS gene on chromosome 20q13.32.

Signs and symptoms

  • Limb undergrowth
  • Osteoma cutis
  • Ankylosis
  • Ectopic ossification in muscle tissue

Also known as: POH; ectopic ossification familial type; familial ectopic ossification; osteoma cutis