August 4, 2026
Neurology

Sturge-Weber Syndrome: Causes, Symptoms, Types & Treatment

Sturge-Weber Syndrome: Causes, Symptoms, Types & Treatment

Sturge-Weber Syndrome (SWS) is a rare condition present at birth that affects the brain, skin, and eyes. It happens when blood vessels develop in an unusual way during early growth in the womb.

This condition is uncommon and affects about 1 in 20,000 to 50,000 babies. It is also known as encephalotrigeminal angiomatosis.

Key Features of SWS

In most cases, Sturge-Weber Syndrome includes three main signs:

  • port-wine birthmark on the face

  • Eye problems, especially glaucoma

  • Brain involvement, called leptomeningeal angiomas

Symptoms often begin early in life. For example, many children develop seizures within the first year. In some cases, developmental delays and learning difficulties may also appear.

Types of Sturge-Weber Syndrome

Doctors divide SWS into three types based on symptoms.

Type 1 (Most Common)

This type includes:

  • Facial birthmark

  • Brain involvement

  • Possible glaucoma

Type 2

In this type:

  • A birthmark is present

  • Glaucoma may occur

  • However, the brain is not affected

Type 3 (Rare)

This form is less common.

  • There is no visible birthmark

  • Brain involvement is present

  • Glaucoma does not occur

Because there is no skin sign, this type is often diagnosed later.

Causes of Sturge-Weber Syndrome

Sturge-Weber Syndrome is caused by a random genetic change during early pregnancy. This change affects the GNAQ gene, which plays a role in blood vessel development.

Importantly:

  • The condition occurs by chance

  • It is not inherited

  • It does not pass from parents to children

As a result, families usually have no history of this condition.

Signs and Symptoms

Symptoms can differ from person to person. Some people have mild signs, while others may face more serious challenges.

Skin Symptoms

The most visible sign is a port-wine birthmark:

  • Flat red or purple patch

  • Usually appears on one side of the face

  • Caused by small blood vessels under the skin

Brain-Related Symptoms

When the brain is involved, several issues may develop.
For example:

  • Seizures, which may start early

  • Weakness on one side of the body

  • Delayed development

  • Learning difficulties

In addition, some individuals may experience headaches or stroke-like episodes.

Eye Problems

Eye involvement is also common.

  • Glaucoma is the main concern

  • If untreated, it can lead to vision loss

Therefore, regular eye check-ups are very important.

Other Possible Issues

In some cases, individuals may also have:

  • Attention problems (ADHD)

  • Anxiety or mood changes

  • Social or emotional challenges

Possible Complications

Without proper care, complications may occur.
For instance:

  • Frequent or severe seizures

  • Loss of vision

  • Brain shrinkage over time

  • Increased risk of stroke

However, early treatment can help reduce these risks.

How Is It Diagnosed?

Doctors use several methods to confirm the condition.

1. Physical Check

They look for facial birthmarks and other signs.

2. Brain Imaging

  • MRI scans help detect brain involvement

  • CT scans may show calcium deposits

3. Eye Examination

Doctors check for glaucoma and other eye issues.

4. Development Assessment

Children may be tested for learning or growth delays.

Treatment Options

There is no cure for Sturge-Weber Syndrome. However, treatment can help manage symptoms and improve quality of life.

Seizure Treatment

  • Anti-seizure medicines are commonly used

  • In severe cases, surgery may be considered

Eye Treatment

  • Eye drops can reduce pressure

  • Surgery may be needed in some cases

Therapies

Children may benefit from:

  • Physical therapy

  • Speech therapy

  • Special education support

Skin Treatment

  • Laser therapy can help lighten the birthmark

Living with Sturge-Weber Syndrome

Many people with SWS live a normal life span. However, the impact depends on how severe the symptoms are.

For example, early seizures may increase the chance of learning difficulties. On the other hand, early treatment and support can improve outcomes.

A team of specialists, including doctors and therapists, can help manage the condition effectively.

Research and Future Treatments

Research is ongoing, and new treatments are being explored.
For instance:

  • Targeted therapies for blood vessel problems

  • New medicines to control seizures

  • Combined treatments using medication and laser therapy

These advances may offer better results in the future.

Shafi Akhtar
About Author

Shafi Akhtar