Laryngeal cysts can occur in any part of larynx, but are more frequent on supraglottic locations, such as epiglottis and vallecula. The prevalence of each location varies on different studies2.
The laryngeal cysts represent a rare group, about 5%, of benign laryngeal lesions1. There is no gender predilection3.
Normally they are examination findings in patients with nonspecific symptoms or totally asymptomatic. Patients could have laryngeal stridor or dyspnea2.
The lesions can cause significant respiratory obstruction and even death if not properly treated.
Different forms of treatment have been described for laryngeal cysts, such as aspiration, marsupialization with laser ablation and complete excision. Recurrence is directly related to the maintenance of remnants of the cyst wall2.
General imaging differential considerations include