Microvascular Decompression for Glossopharyngeal Neuralgia
A 65-year-old woman with severe throat pain had stopped eating and lost significant weight after other evaluations failed to identify the cause. Careful MRI review revealed vascular compression of a cranial nerve, leading to a diagnosis of glossopharyngeal neuralgia and treatment with microvascular decompression.
Severe throat pain with a cause that had been difficult to identify
The patient presented with throat pain so debilitating that she had stopped eating, resulting in significant weight loss. Previous evaluations had not determined the cause.
When Stephen A. Johnson, MD, reviewed her MRI, he identified contact between a microscopic blood vessel and a cranial nerve. With each pulsation of the vessel, the nerve was triggered, producing intense pain signals.
Dr. Johnson diagnosed glossopharyngeal neuralgia, a rare cranial nerve compression syndrome whose subtle imaging findings can make diagnosis difficult.
Relieving the neurovascular compression
The key to the diagnosis was recognizing the relationship between the blood vessel and cranial nerve. The surgical goal was not to damage or remove the nerve, but to relieve the mechanical irritation by moving the vessel away from it.
Microvascular decompression directly addresses this relationship by creating lasting separation between the vessel and nerve.
Vascular Contact
Vessel Separated From the Nerve
Microsurgical decompression through a small opening
Dr. Johnson performed microvascular decompression through a small incision, roughly the size of a quarter. Using the operating microscope, he carefully identified the blood vessel responsible for the compression and repositioned it away from the cranial nerve.
A microscopic cushion was placed between the vessel and nerve to help prevent future contact.
Create a focused surgical corridor
A small incision and opening provided access to the cranial nerve and nearby blood vessel.
Identify the neurovascular conflict
Microsurgical visualization allowed the vessel and compressed nerve to be precisely identified.
Reposition the vessel
The blood vessel was carefully moved away from the nerve to eliminate direct contact.
Maintain separation
A microscopic cushion was positioned between the vessel and nerve to help prevent recurrent contact.
The patient experienced immediate relief from the severe throat pain that had prevented her from eating.
By postoperative day one, she was enjoying a cheeseburger in the hospital before discharge. At her first follow-up visit, she had regained weight and appeared much healthier.
A small incision with an excellent cosmetic result
Follow-up demonstrated minimal visible scarring at the surgical site. The limited incision reflects the focused corridor used to reach the cranial nerve and perform the decompression.
For the patient, the cosmetic result accompanied the more important clinical change: relief from the pain that had made eating nearly impossible.
Minimal Visible Scarring
Follow-up appearance of the incision after microvascular decompression.
For rare cranial nerve pain syndromes, the diagnosis can change everything
Glossopharyngeal neuralgia can be difficult to recognize because the pain may initially suggest dental, throat or infectious causes and the responsible neurovascular contact can be subtle on imaging.
In this case, careful MRI review identified a surgically treatable source of the pain. Microvascular decompression addressed the compression directly and produced immediate relief.
Stephen A. Johnson, MD
Dr. Stephen Johnson specializes in complex cranial nerve disorders, including glossopharyngeal neuralgia, trigeminal neuralgia and hemifacial spasm. His surgical expertise includes microvascular decompression for patients whose symptoms are caused by neurovascular compression.
Meet Dr. JohnsonWhen the diagnosis is unclear, another review can matter.
If you have severe facial or throat pain, or have been diagnosed with a cranial nerve compression syndrome, our team can review your imaging and help explain what may be causing your symptoms and what treatment options are available.
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