McCune-Albright Syndrome

McCune-Albright syndrome is a rare disorder caused by GNAS gene mutations that occur during fetal development. The classic triad is fibrous dysplasia of bone, café-au-lait skin patches, and endocrine overactivity (especially precocious puberty).

Table of Contents

Features

  • Fibrous dysplasia (bone lesions, fractures, deformity)
  • Café-au-lait skin patches with irregular borders
  • Precocious puberty
  • Other endocrine excess (hyperthyroidism, growth hormone excess)

Management

  • Bisphosphonates for bone disease
  • Surgery for fractures/deformity
  • Hormone suppression for precocious puberty
  • Multidisciplinary care
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.

References

  • NIH. McCune-Albright Resources.