<unk> s are cysts involving the larynx or more frequently supraglottic locations, such as epiglottis and vallecula. Usually they do not extend to the thyroid cartilage. They may be present congenitally or may develop eventually due to degenerative cause. They often interfere with phonation.
Laryngeal cyst
Laryngocele
Nasopharyngeal cyst
Retropharyngeal abscess
Parapharyngeal abscess
Median mandibular cyst
Thyroglossal cyst
Nasal septal abscess