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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.