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ENT · Head and neck oncology
Sample itemA 55-year-old non-smoker has a painless, cystic level II neck mass. FNAC shows squamous cells with cystic change. There are no other findings on clinical examination of the upper aerodigestive tract. Which is the most likely site of the primary, and what is the best next step?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Oropharynx (tonsil or base of tongue), with panendoscopy and directed biopsy or tonsillectomy
A cystic squamous cell nodal metastasis at level II in an adult is most often from an HPV-related oropharyngeal primary in the tonsil or base of tongue. The work-up uses imaging with PET-CT or MRI, then examination under anaesthesia with directed biopsies and tonsillectomy.
Option by option
A. Thyroid gland, with a total thyroidectomy
Thyroid cancers metastasising to nodes are usually papillary, not squamous, and are managed differently.
B. Parotid gland, with a superficial parotidectomy
A parotid primary would present with a parotid mass and not with isolated squamous cells in a level II node.
C. Oropharynx (tonsil or base of tongue), with panendoscopy and directed biopsy or tonsillectomy (correct)
Correct. Cystic nodes with squamous cells usually point to the oropharynx.
D. Nasal vestibule, with an incisional biopsy
The nasal vestibule would show an obvious lesion on examination.
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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