Laryngeal cysts are supposed to occur very rarely in the new-born, although it is possible that they are overlooked in some instances. Only about fifteen cases have been reported in the literature; of these seven were found at autopsy.
The etiology of these cysts is somewhat obscure, although, in all likelihood, they are congenital anomalies rather than retention cysts. They are usually thin-walled and contain milky fluid. They commonly arise from a broad base in the region of the laryngeal aperture, often from the aryepiglottic fold, in which case they obstruct both the larynx and the pyriform fossa.
The symptoms may be noticed at birth. They may be marked or, if slight at first, may become severe in early childhood. The main symptoms are:1. Dyspnea: This is characterized by retraction of the supra-clavicular and infrasternal regions. It may also be noticed that the infant breathes better when
KLEINFELD L. LARYNGEAL CYSTS IN THE NEW-BORN. Arch Otolaryngol. 1934;19(5):590–593. doi:10.1001/archotol.1934.03790050055007
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