DefinitionAn aural polyp is a growth in the outside (external) ear canal. It may be attached to the eardrum (tympanic membrane), or it may grow from the middle ear space.Causes, incidence, and risk factorsAural polyps may be caused by:CholesteatomaForeign objectInflammationTumorReferencesCummings CW, Flint PW, Haughey BH, et al. Otolaryngology: Head & Neck Surgery. 4th ed. St Louis, Mo; Mosby; 2005.