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Anatomy 13

A 65-year-old woman presents to the physician’s office with a painless mass on the right side of her face that she noticed two weeks ago. Past medical history is significant for hypertension and osteoporosis. Physical examination reveals a palpable mass in the right parotid gland. Cranial nerves are intact, and no lymphadenopathy is noted. An MRI reveals a likely malignant tumor, and she is referred to a head and neck surgeon for further evaluation.

Which of the following nerves is most at risk for injury during a parotidectomy?

  • A) Facial nerve
  • B) Optic nerve
  • C) Trigeminal nerve V2
  • D) Trigeminal nerve V3
  • E) Trochlear nerve


Leora Aizman


Dr. Ted O'Connell