it2 ' '7/ ^J The superior and inferior ganglia lie in the ^ U jugular foramen, the otic ganglion in the neck VpL, -----below the foramen ovale.
Tentorium cerebelli Base of skull
Foramen magnum (from above)
Clinical examination (see page 17) Disorders of the glossopharyngeal nerve
Glossopharyngeal palsy from either medullary or nerve root lesions does not occur in isolation. When associated with X and XI cranial nerve lesions, this constitutes the jugular foramen syndrome. Lesions producing this syndrome are listed on page 175.
Short, sharp, lancinating attacks of pain, identical to trigeminal neuralgia in nature but affecting the posterior part of the pharynx or tonsillar area. The pain often radiates towards the ear and is triggered by swallowing. Reflex bradycardia and syncope occur due to stimulation of vagal nuclei by discharges from glossopharyngeal. As with trigeminal neuralgia, carbamazepine often provides effective relief - if not microvascular decompression or section of the IX nerve roots or nerve give good results.
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