Geniculate neuralgia, also called geniculate ganglionitis, is a rare nerve pain disorder. This condition results in severe ear pain that causes stabbing ice-pick pain or shock-like sensations, often affecting only one ear.
At UPMC, our neurosurgeons and neurologists provide personalized care for people with geniculate neuralgia. Our team offers the most advanced nonsurgical and surgical treatments, including medications and microvascular decompression (MVD) surgery.
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What Is Geniculate Neuralgia?
Geniculate neuralgia, also called geniculate ganglionitis, is a rare nerve pain disorder. This condition results in severe ear pain that causes stabbing or shock-like sensations, often affecting only one ear.
How common is geniculate neuralgia?
Geniculate neuralgia is very rare. Symptoms often result from other types of facial pain disorders, such as trigeminal neuralgia.
What causes geniculate neuralgia?
Geniculate neuralgia occurs when the nervus intermedius, a small branch of the facial nerve, is compressed by a blood vessel, causing intense pain. This pain can be triggered by stimulation of the ear canal or can follow swallowing or talking.
Geniculate neuralgia risk factors
If you have blood vessel abnormalities in your head, neck, or brain, you may be at higher risk of developing geniculate neuralgia.
Conditions that can increase your risk for geniculate neuralgia include:
- Aneurysm.
- Arteriovenous fistula (AVF).
- Arteriovenous malformation (AVM).
- Brain tumor.
Complications of geniculate neuralgia
Geniculate neuralgia can cause debilitating pain that can make it difficult to perform everyday activities.
Complications may include:
- Loss of feeling in your face after treatment.
- Medication side effects.
- Mental health problems, such as depression and anxiety.
- Social isolation from avoiding pain triggered by everyday activities and environmental factors.
How can I prevent geniculate neuralgia?
Unfortunately, there is no way to prevent geniculate neuralgia. If certain activities trigger your pain, you should avoid them when possible.
What Are the Signs and Symptoms of Geniculate Neuralgia?
Symptoms of geniculate neuralgia may include:
- An intermittent stabbing ice-pick pain or electric shock-like pain deep in your ear.
- A dull, burning sensation in your ear.
- Dizziness.
- Facial pain.
- Increased salivation or a bitter taste in your mouth.
- Loss of balance.
- Tinnitus — Ringing in your ear.
When should I see a doctor about my geniculate neuralgia symptoms?
Although this condition is not fatal, it can disrupt your life. If you experience facial nerve pain, schedule an appointment with your primary care provider or a neurologist. Your provider can help you find the best pain management method for you.
How Do You Diagnose Geniculate Neuralgia?
Your doctor will diagnose geniculate neuralgia with a physical exam.
This diagnosis is based on three different factors:
- Location of pain — The pain is deep in your ear.
- Triggers of pain — Pain may occur when your ear canal is stimulated by swallowing, talking, or environmental triggers such as loud music.
- Type of pain — Pain related to geniculate neuralgia is stabbing or electric shock-like.
Your doctor will also ask about your history and symptoms and perform other tests.
What to expect during your visit
The first step in evaluating your pain is determining whether you have geniculate neuralgia or some other form of facial pain. This is crucial to helping your doctor recommend the best treatment for your condition.
Your doctor will ask a variety of questions to determine whether you have geniculate neuralgia or another type of facial pain. They will also ask questions about prior dental work, difficulty chewing, and current or prior diseases.
Tests to diagnose geniculate neuralgia
You will need an MRI imaging test to diagnose geniculate neuralgia and rule out other causes of facial pain.
After you receive a geniculate neuralgia diagnosis, your doctor may order an MRI to:
- Determine if a lesion, such as a tumor or an arteriovenous malformation (tangle of blood vessels), is causing geniculate neuralgia symptoms.
- Determine if there is a blood vessel pushing on your nerve.
Geniculate neuralgia prognosis
Your prognosis after a geniculate neuralgia diagnosis depends on the underlying cause of your condition, your overall health, and other factors. With treatment, geniculate neuralgia symptoms may improve.
How Do You Treat Geniculate Neuralgia?
Your doctor will develop a personalized treatment plan for geniculate neuralgia. The goal of treatment is to reduce symptom severity and improve your quality of life.
Treatment options may include:
Medications for geniculate neuralgia
Geniculate neuralgia treatment typically starts with medications that can help treat your nerve pain.
Your doctor may prescribe medications, including:
- Anticonvulsants — Typically the first drugs your doctor will try, these medications help block your nerves from sending pain signals.
- Antidepressants — May help treat pain and other symptoms.
- Migraine medication — May reduce the frequency of facial pain attacks.
Medication doesn't work for everyone. Certain medications may cause side effects, and pain can continue for some people even when taking the drugs. If medications do not work and your pain persists, surgery may be an option.
Surgery for geniculate neuralgia
In the last 25 years, UPMC neurosurgeons have treated more than 20,000 people with facial nerve disorders, including trigeminal neuralgia and geniculate neuralgia.
Surgical options include procedures that:
- Relocate or remove blood vessels that are in contact with the nerve root to stop the nerve from malfunctioning.
- Use radiation to damage the nerve and reduce or eliminate pain.
- Use minimally invasive injections to damage the nerve and block pain signals.
- Selectively destroy the nerve fibers associated with pain.
Geniculate neuralgia is typically treated with:
Microvascular decompression (MVD)
MVD is a minimally invasive surgery that stops your blood vessel from putting pressure on your nerve. MVD may be an option to treat geniculate neuralgia that has not responded to medication, or when medications cause bothersome side effects.
During the procedure, your surgeon will insert surgical instruments at the end of a flexible tube through a small incision.
For most people with geniculate neuralgia, MVD:
- Has a lower risk of side effects.
- Offers the most long-lasting relief.
- Treats the cause of the problem.
During the procedure, your UPMC surgeon will:
- Make an incision behind your ear.
- Make a hole in your skull the size of a silver dollar.
- Use advanced high-magnification visualization tools to locate the blood vessel that is exerting pressure on your nerve.
- Pull the blood vessel away from your nerve and put a “pillow" between them to keep them from touching.
What is the success rate for MVD?
Each year, UPMC neurosurgeons treat more than 500 patients with trigeminal neuralgia and other facial pain syndromes, including about 100 who undergo microvascular decompression.
MVD provides fast, complete relief of symptoms in 82% of people. Another 16% of people who have MVD experience partial relief and may need to continue to take occasional or low-dose medication.
One year after their MVD procedure, 75% of people continue to have complete pain relief and 8% percent have at least partial relief. Fewer than 5% of people have major side effects after MVD surgery.
Why Choose UPMC for Geniculate Neuralgia Care?
When you choose UPMC for geniculate neuralgia care, you will receive:
- Expert care from an experienced team of providers — UPMC is a high-volume center for diagnosing and treating people with trigeminal neuralgia, geniculate neuralgia, and other facial pain disorders. Each year, we provide care for more than 500 people with facial pain disorders, with approximately 100 undergoing surgery to treat the condition.
- Access to advanced clinical trials — UPMC participates in research to improve facial pain treatment options.
- World-class treatment for facial nerve disorders — UPMC is a world leader in caring for people with trigeminal, atypical trigeminal neuralgia, geniculate neuralgia, and other facial nerve conditions.
