Abstract
Surgical diseases of the middle ear include chronic otitis media, fistulation or complications post-total ear canal ablation (TECA), polyps, cholesteatomas, and granulomas. Middle ear polyps are benign fibrous growths covered with epithelium. Aural cholesteatomas are epidermoid cysts forming within the middle ear. Acquired cholesteatomas occur when retraction of the tympanic membrane into the middle ear or migration of squamous epithelium through a perforated tympanic membrane leads to cyst formation. Chronic inflammation in the middle ear can result in granuloma formation. The diagnosis of cholesterol granuloma is based on observation of multiple acicular clefts surrounded by fibrous tissue and infiltrates of mononuclear inflammatory cells on histopathologic examination. The ventral head and neck are clipped from the mid-mandible to the mid-neck. The use of Elizabethan collars after ear surgery is controversial.
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