From the question on page 483

Scar tissue has caused cicatricial supraglottic stenosis from histologically confirmed mucous membrane pemphigoid.

Dysphonia (from anterior glottic scarring) and dyspnoea (from posterior scarring) may progress to severe stenosis, stridor and life-threatening airway obstruction. Laryngeal stenosis predominantly affects children, either as a result of a congenital …