This nerve may be involved by the glomus jugulare tumour.
Laryngeal cancer can present with pain behind the ear and in the ear - this is a referred pain through the vagus nerve to the nerve of Arnold.
In a small portion of individuals, the auricular nerve is the afferent limb of the Ear-Cough or Arnold Reflex. Physical stimulation of the external acoustic meatus innervated by the auricular nerve elicits a cough, much like the other cough reflexes associated with the vagus nerve. Rarely, on introduction of speculum in the external ear, patients have experienced syncope due to the stimulation of the auricular branch of the vagus nerve.
Read more about this topic: Auricular Branch Of Vagus Nerve
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