A 55-year-old woman has undergone facial surgery for the excision of a malignant parotid tumor. A week postoperatively, marked weakness is seen in the musculature of the patient’s lower lip. Which of the following nerves was most likely injured during the parotidectomy?
A 55-year-old woman has undergone facial surgery for the excision of a malignant parotid tumor. A week postoperatively, marked weakness is seen in the musculature of the patient’s lower lip. Which of the following nerves was most likely injured during the parotidectomy?
π‘ Explanation
A 55-year-old woman has undergone facial surgery for the excision of a malignant parotid tumor. A week postoperatively, marked weakness is seen in the musculature of the patient's lower lip. Which of the following nerves was most likely injured during the parotidectomy?
β Correct Answer: A. Marginal mandibular branch of facial
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