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Sx, Signs, & Diseases: Ch 16

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acoustic neuroma

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1 / 44

Terms in this set (44)

acoustic neuroma

Benign tumor of the nerve cells of the auditory nerve. Depending on its location in the ear, it can cause symptoms of pain, dizziness, or hearing loss

cerumen impaction

Cerumen (earwax), epithelial cells, and hair form a mass that occludes the external auditory canal.

Benign, slow-growing mass in the middle ear, composed of cholesterol deposits and epithelial cells. Underlying cause is chronic otitis media

conductive hearing loss

Foreign body or infection in external auditory canal, perforation of tympanic membrane, fluid behind tympanic membrane, or degeneration of ossicles of middle ear keep sound waves from reaching inner ear

sensorineural hearing loss

Otosclerosis, disease of cochlea, damage to inner ear from excessive noise, or aging prevent generation of nerve impulses to auditory nerve