Isaiah Chiangalmost 7 years ago
A 40-year-old man was admitted to the neurology service for evaluation of persistent numbness over his left jaw and lower face. MRI reveals a schwannoma, which is compressing a cranial nerve as the nerve exits the skull. The cranial nerve involved in this case exits the skull through which of the following foramina? (A) Foramen ovale (B) Foramen rotundum (C) Foramen spinosum (D) Jugular foramen (E) Superior orbital fissure
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almost 7 years ago
Foramen ovale as the mandibular division (V3) of trigeminal supplying the lower half of face exits cranial cavity via foramen ovale.
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almost 7 years ago
The mandibular nerve (V3) carries sensory information from the lower lip, the lower teeth and gums, the chin and jaw and it leaves the skull through the foramen ovale.
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