This is an uncommon lesion, usually affecting young patients (mean age, 30 years), with a male to female ratio of 2:1. The middle ear is involved, although it may extend to the external auditory canal if there is tympanic membrane perforation.
Otic polyp
Nasal polyp
Nasal septal abscess
Laryngeal cyst
Oral mucocele
Laryngeal papillomatosis
Salivary gland fistula
Laryngocele