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ENT · Head and neck tumours: carcinoma of the tongue
Sample itemIn which site of the tongue does squamous cell carcinoma most commonly arise?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Lateral border, in the middle third
About two thirds of oral tongue cancers arise on the lateral border in the middle third, associated with chronic irritation and tobacco. Lesions here drain to levels I to III, with skip metastasis to level IV possible. Early invasion into the tongue musculature is common.
Option by option
A. Dorsum
The dorsum is rarely involved.
B. Lateral border, in the middle third (correct)
Correct. The lateral border is the commonest site.
C. Base
The base is part of the oropharynx.
D. Tip
The tip is an uncommon site.
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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