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ENT · Larynx and airway: cricoarytenoid arthritis
Sample itemA 50-year-old woman with long-standing rheumatoid arthritis has hoarseness, odynophagia, a feeling of fullness in the throat and exertional stridor. Laryngoscopy shows red swollen arytenoids with limited cord abduction. What is the cause?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Cricoarytenoid joint arthritis
Rheumatoid arthritis can inflame the cricoarytenoid joints, causing pain, hoarseness and limited abduction that may progress to stridor from fixation of the cords. Management is of the underlying disease, with steroids, and rarely tracheostomy for airway compromise.
Option by option
A. Cricoarytenoid joint arthritis (correct)
Correct. Inflammation of the cricoarytenoid joint explains the red arytenoids and limited abduction.
B. Reinke oedema
Reinke oedema gives a low-pitched voice with polypoid cords in smokers and no arytenoid redness.
C. Vagal neuropathy with cord paralysis
Vagal neuropathy would give a flaccid immobile cord without joint swelling or pain.
D. Laryngeal tuberculosis
Laryngeal tuberculosis gives posterior mucosal ulceration with systemic features.
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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