PMC6661998_01
Nasoendoscopy in acute dyspneic hypoxia with stridor. Top left, (A) glottis edema and hyperemia with laryngeal mass filling the airway; top right, (B) a vegetant and tough mass infiltrating the epiglottis and left arytenoid causing sub-total airway obstruction; bottom left, (C) obstructive edema of the true and false right vocal cords; and bottom right, (D) obstruction of the laryngeal aditus with vocal cords in blocked adduction.
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Fiberoptic laryngeal examination revealed a vegetant and infiltrative tough mass filling the airway at the glottis causing sub-total airway obstruction (Figure 1); edema and hyperemia of the mucosa with abundant secretions of mucus and blood; and hyperreflexia.