A 57-year-old woman presents with recurrent episodes of severe, stabbing pain over the right cheek and jaw lasting seconds, triggered by teeth brushing. Vital signs: BP 128/82, HR 76, RR 14, Temp 37°C, SpO2 98%. Neurologic examination between attacks is completely normal. MRI brain with contrast shows no mass or demyelinating lesions. She denies facial weakness or numbness. Which trigeminal nerve division is most commonly affected in this disorder?

  1. A)Maxillary and mandibular divisionsGABARITO
  2. B)Glossopharyngeal nerve
  3. C)Ophthalmic and maxillary divisions only
  4. D)Facial nerve motor root
  5. E)Mandibular division only

Explicação

Maxillary and mandibular divisions is correct. Trigeminal neuralgia typically involves cranial nerve V2 or V3 and causes brief, electric shock like unilateral facial pain triggered by light touch or chewing. It is often due to vascular compression of the trige... Ver explicação completa e trilha adaptativa →

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