Treatment
Ear canal cholesteatoma: metaanalysis of clinical characteristics with update on classification, staging and treatment. Curr Opin Otolaryngol Head Neck Surg. 2010;18: 369-76. doi: 10.1097/MOO.0b013e32833da84e [ Links ] 3. [scielo.isciii.es]
Etiology
Cholesteatoma of the external ear canal: etiological factors, symptoms and clinical findings in a series of 48 cases. BMC Ear Nose Throat Disord. 2006;6:16 [ Links ] 4. Aymat A, Morgan DW, Henderson J. External acoustic meatus cholesteatoma. [scielo.isciii.es]
Prevention
External auditory canal cholesteatoma and keratosis obturans: the role of imaging in preventing facial nerve injury. Ear Nose Throat J. 2011;90:E1-7 [ Links ] 34. Wormald PJ. Surgical management of benign necrotizing otitis externa. [scielo.isciii.es]