Alternate Names : Cranial mononeuropathy IX
Symptoms & Signs
Symptoms include severe pain in areas connected to the ninth cranial nerve:
- Back of the nose and throat (nasopharynx)
- Back of the tongue
- Tonsil area
- Voice box (larynx)
The pain occurs in episodes and may be severe. It can sometimes be triggered by:
Diagnosis & Tests
Tests will be done to identify problems, such as tumors, at the base of the skull. Tests may include:
Sometimes the MRI may show swelling (inflammation) of the glossopharyngeal nerve.
To find out whether a blood vessel is pressing on the nerve, pictures of the brain arteries may be taken using:
Certain blood tests may be needed when the diagnosis is not clear to rule out other causes of peripheral nerve problems (neuropathy), such as high blood sugar.