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Dentistry · Oral pathology: cysts and odontogenic tumours: lesions mimicking carcinoma
Sample itemA 45-year-old smoker develops a painless crater-like ulcer on the posterior hard palate 2 weeks after a palatal anaesthetic injection and dental surgery. Biopsy shows lobular necrosis of minor salivary glands with squamous metaplasia of the ducts and no malignant cells. What is the best management?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Reassure, as it heals spontaneously over weeks
Necrotising sialometaplasia is a self-limiting ischaemic infarct of minor salivary glands that mimics mucoepidermoid or squamous carcinoma clinically and histologically. Once biopsy has confirmed it, only reassurance and observation are needed.
Option by option
A. Radiotherapy
Radiotherapy is not indicated for a benign infarct.
B. Long-term systemic steroids
Steroids do not speed healing and carry risks, so they are unnecessary.
C. Reassure, as it heals spontaneously over weeks (correct)
Correct. It is a benign ischaemic process that heals over several weeks.
D. Hemimaxillectomy
Radical surgery is for carcinoma; the biopsy shows no malignancy.
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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