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Sturge-Weber syndrome

Definition

Sturge-Weber syndrome (SWS) is a rare disorder that is present at birth. A child with this condition will have a port-wine stain birthmark (usually on the face) and may have nervous system problems.

Causes

In many people, the cause of Sturge-Weber is due to a variation of the GNAQ gene. This gene affects small blood vessels called capillaries in some but not all body cells. Problems in the capillaries cause the to form.

Sturge-Weber is not thought to be passed down (inherited) through families.

Symptoms

Symptoms of SWS include:

  • Port-wine stain (more common on the upper face and eyelid than the rest of the body)
  • Headache
  • or weakness on one side
  • Learning disabilities
  • Glaucoma (very high fluid pressure in the eye)
  • Low thyroid function ()

    • Exams and Tests

    The health care provider should check all birthmarks, including a port-wine stain.

    may be one sign of the condition.

    Tests may include:

  • X-rays

    • Treatment

    Treatment is based on the person's signs and symptoms, and may include:

  • Anticonvulsant medicines for seizures
  • Eye drops or surgery to treat glaucoma
  • for port-wine stains
  • Physical therapy for paralysis or weakness
  • Possible brain surgery to prevent seizures

    • Support Groups

    More information and support for people with SWS and their families can be found at:

  • The Sturge-Weber Foundation -- sturge-weber.org
  • National Organization for Rare Disorders -- rarediseases.org/rare-diseases/sturge-weber-syndrome/#supporting-organizations
  • NIH Genetic and Rare Diseases Information Center -- rarediseases.info.nih.gov/diseases/7706/sturge-weber-syndrome
    • >

    Outlook (Prognosis)

    SWS is usually not life threatening. The condition does need regular lifelong follow-up. The person's quality of life depends on how well their symptoms (such as seizures) can be prevented or treated.

    The person will need to visit an eye doctor (ophthalmologist) at least once a year to check for or treat glaucoma. They also will need to see a neurologist to treat seizures and other nervous system symptoms.

    Possible Complications

    These complications can occur:

  • Abnormal blood vessel growth in the skull
  • Continued growth of the port-wine stain
  • Developmental delays
  • Emotional and behavioral problems
  • Glaucoma, which may lead to blindness
  • Paralysis
  • Seizures

    • When to Contact a Medical Professional

    Seizures, vision problems, paralysis, and changes in alertness or mental state may mean the coverings of the brain are involved. These symptoms should be evaluated right away.

    Prevention

    There is no known prevention.

    References

    Dinulos JGH. Vascular tumors and malformations. In: Dinulos JGH, ed. Habif's Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 23.

    Flemming KD, Brown RD. Epidemiology and natural history of intracranial vascular malformations. In: Winn HR, ed. Youmans and Winn Neurological Surgery. 8th ed. Philadelphia, PA: Elsevier; 2023:chap 451.

    Islam MP, Roach ES. Neurocutaneous syndromes. In: Jankovic J, Mazziotta JC, Pomeroy SL, Newman NJ, eds. Bradley and Daroff's Neurology in Clinical Practice. 8th ed. Philadelphia, PA: Elsevier; 2022:chap 99.

    Sahin M, Ullrich N, Srivastava S, Pinto AL. Neurocutaneous syndromes. In: Kliegman RM, St. Geme JW, Blum NJ, et al, eds. Nelson Textbook of Pediatrics. 22nd ed. Philadelphia, PA: Elsevier; 2025:chap 636.

    Schedule An Appointment

    Contact Atlanta Obsetrics and Gynaecology at The Womens Center Millennium Hospital - 404-ATL-BABY

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    Review Date: 12/31/2023

    Reviewed By: Anna C. Edens Hurst, MD, MS, Associate Professor in Medical Genetics, The University of Alabama at Birmingham, Birmingham, AL. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.