Laryngocele

Discussion:

Well-defined, thin-walled, air-filled cystic lesion is seen in the right paraglottic space communicating with the laryngeal ventricle. An extralaryngeal extension through the thyrohyoid membrane is seen. 

Similar yet smaller well-defined, thin-walled, air-filled cystic lesion is seen in the left paraglottic space communicating with the laryngeal ventricle. No extralaryngeal extension.

Opinion:

  • Right combined external and internal layrngocele
  • Left internal layrngocele. 

Risk factors

Raised intralaryngeal pressure secondary to excessive cough,playing woodwind/brass instruments, glass blowing, obstructing lesion, e.g. tumor

NB: The finding of a laryngocele should prompt a search for an underlying laryngeal carcinoma obstructing the orifice of the laryngeal ventricle.

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