Conditions / Syndrome

McCune Albright syndrome

info · Syndrome · ICD-10: Q78.1

A syndrome that is characterized by polyostotic fibrous dysplasia, precocious puberty, and café-au-lait spots and has_material_basis_in spontaneous post zygotic missense mutation at ARG201 or Gln227 of the GNAS gene during embryogenesis.

Signs and symptoms

  • Bone pain
  • Polyostotic fibrous dysplasia
  • Sclerotic ilium
  • Hyperthyroidism
  • Large cafe-au-lait macules with irregular margins
  • Hearing impairment
  • Pituitary adenoma
  • Increased circulating prolactin concentration
  • Intestinal polyposis
  • Craniofacial hyperostosis

Also known as: fibrous dysplasia of bone; osteitis fibrosa disseminata; polyostotic fibrous dysplasia