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ENT · Larynx and airway: sulcus vocalis
Sample itemA 25-year-old singer has a lifelong breathy, weak voice. Stroboscopy shows a groove along the vocal fold edge with absent mucosal wave. What is the diagnosis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Sulcus vocalis
Sulcus vocalis is a longitudinal groove in the vocal fold, with scarring of the lamina propria, causing stiffness and a reduced mucosal wave and glottic gap. Voice therapy and injection or medialisation are used. Surgery has variable results.
Option by option
A. Sulcus vocalis (correct)
Correct. A groove with a stiff mucosal wave is typical.
B. Vocal fold polyp
A polyp is a unilateral swelling.
C. Vocal nodules
Nodules are bilateral swellings at the junction of the anterior and middle thirds.
D. Laryngeal web
A web is a fibrous sheet across the anterior glottis.
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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