Geniculate neuralgia: diagnosis and surgical management.

Pain in the ear is a common complaint for which patients consult their otolaryngologist. A rare cause is geniculate neuralgia, which has also been called tic douloureux of the nervus intermedius. In its most typical form, it is characterized by severe paroxysmal neuralgic pain centered directly in the ear. The pain may also be of gradual onset and of a dull, persistent nature, with occasional sharp, stabbing pain. The diagnostic features and two new surgical techniques for its treatment are described. Afferent sensory facial nerve fibers are shown to pass not only through the nervus intermedius, but also through the main motor trunk of the facial nerve. Excision of the nervus intermedius and/or of the geniculate ganglion by the middle cranial fossa approach without the production of facial paralysis, in any of 15 cases with geniculate neuralgia is reported. Use of these new techniques, sometimes in combination with selective section of the Vth cranial nerve, has been successful in relieving the pain of geniculate neuralgia.