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Showing posts from December 6, 2011

Diseases of the Ear - Lesson 286

In this post, we will deal with diseases of the ear , acoustic neuroma and cholesteatoma. We will also learn some important suffixes of ear. Due to the diseases in the ear, one person may get some hearing loss or pain and so the quality of the life is affected in all. In the more complicated conditions, deafness or brain tumor or paralysis may happen. To avoid such serious conditions, proper diagnosis and treatment at the right time is important. In hearing process, all the outer, middle, and inner ears take part. Sound waves from environment enter through the outer ear and travels through the middle ear through three small bones, named ossicles and then the sound wave travels inside the inner ear to vibrate the eardrum. Acoustic Neuroma: This is an abnormal condition in the ear of formation of a tumor on the eight cranial nerve in the brain that arises from acoustic nerve. The main symptom of acoustic neuroma is ringing in the ears, dizziness or vertigo and reduced hearing.