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ENT · Head and neck tumours: facial palsy with a parotid mass
Sample itemA 60-year-old has a hard painless right parotid mass and new right lower motor neuron facial weakness. What does the facial weakness suggest?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Malignant tumour invading the nerve
Facial nerve weakness with a parotid mass is a strong indicator of malignancy such as adenoid cystic carcinoma. Benign tumours rarely cause palsy even when large. It changes surgical planning.
Option by option
A. Malignant tumour invading the nerve (correct)
Correct. Facial palsy with a hard parotid mass points to a malignancy invading the nerve.
B. Warthin tumour
Warthin tumour is soft, cystic and does not cause palsy.
C. Pleomorphic adenoma
Pleomorphic adenomas displace the nerve but rarely paralyse it.
D. Parotid calculus
A calculus affects the duct and gives colicky pain with meals.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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