Glossopharyngeal neuralgia due to vascular compression

Case contributed by Dr Andrew Dixon

Presentation

Right throat and tongue pain. Likely due to Eagle's syndrome. MRI skull base to exclude glossopharyngeal nerve abnormality.

Patient Data

Age: 55 years
Gender: Male

The root entry zone of the right glossopharyngeal nerve (CN IX) is posteriorly displaced and distorted compared to the left (best seen on axial FIESTA). This is due to vascular compression by the right posterior inferior cerebellar artery (PICA) which is seen well on the axial T2 FS images (flow void) and also on the TOF angiogram.    

The root entry zone of the right glossopharyngeal nerve (CN IX) is posteriorly displaced and distorted compared to the left (yellow arrows) due to vascular compression by the right posterior inferior cerebellar artery (red arrow).    

Case Discussion

A case of right glossopharyngeal neuralgia due to vascular compression of the root entry zone by the posterior inferior cerebellar artery (PICA). This patient went on to have surgical microvascular decompression with complete resolution of his symptoms.    

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Case information

rID: 57053
Case created: 5th Dec 2017
Last edited: 7th Dec 2017
Inclusion in quiz mode: Included

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