title: Unilateral trigeminal mandibular motor neuropathy caused by tumor in the foramen ovale.
abstract: Pure trigeminal motor neuropathy is characterized by trigeminal motor weakness without signs of trigeminal sensory or other cranial nerve involvement. We describe a 63-year-old woman with progressive weakness and atrophy of the left masticatory muscles. She had no sensory disturbance. The diagnosis of pure trigeminal motor neuropathy was made on the basis of clinical and electrophysiologic studies. Magnetic resonance imaging of the brain revealed enhancement of the enlarged mandibular branch of the trigeminal nerve coursing through the left foramen ovale. Our observations suggest that pure trigeminal motor neuropathy can be induced by a tumor.
authors.affiliation: Department of Neurology, Seoul National University College of Medicine, Seoul, Korea.
authors.forename: Kyung Seok
authors.initials: KS
authors.lastname: Park
authors.forename: Jae-Myun
authors.initials: JM
authors.lastname: Chung
authors.forename: Beom S
authors.initials: BS
authors.lastname: Jeon
authors.forename: Seong-Ho
authors.initials: SH
authors.lastname: Park
authors.forename: Kwang-Woo
authors.initials: KW
authors.lastname: Lee
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