McCune-Albright Syndrome

Definition

McCune-Albright syndrome is a disorder caused by a somatic mutation in the GNAS gene, characterized by fibrous dysplasia of bone, café-au-lait spots, and endocrine overfunction.

Symptoms

  • Polycystic fibrous dysplasia (bone pain, deformity)
  • Café-au-lait stains (coffee with milk color)
  • Endocrine hyperfunction (precocious puberty, hyperthyroidism)
  • Short stature

Reasons

Somatic (postzygotic) activating mutation in the GNAS gene.

Diagnosis

Clinical triad, bone X-ray, hormone tests.

Treatment

Symptomatic treatment (painkillers, bisphosphonates), treatment of endocrine problems.

Which Polyclinic Should You Apply To?

Endocrinology Polyclinic or Orthopedic Polyclinic

What to Do in an Emergency?

In case of pathological fracture or severe pain, emergency services should be consulted.

This page is for general information purposes only.