Saturday, March 29, 2008

What is cholesteatoma otitis media

Really cholesteatoma otitis media is not usually mentioned tumor, For a while in the middle ear and mastoid the cystic cavity structure. The capsule wall for the rehabilitation of the squamous epithelium, with exfoliated epithelial intracapsular, keratosis substances and cholesterol crystallization of the lateral capsule to a layer of fibrous tissue of varying thickness and the adjacent bone wall or organizations closely linked. The capsule containing cholesterol crystallization, it said cholesteatoma.
Cholesteatoma characteristics are as follows: the long-term sustainability discharging ears, with special stench, the tympanic membrane or relaxation of the tension of the above after a marginal perforation (right 3). Visibility from the perforated drum indoor gray - or soybean residue-like substance. There are heavier conductive hearing loss, such as cochlear lesions spread, the deafness was mixed. CT examination can be identified lesions, and guide surgery.
The exact mechanism of formation of cholesteatoma is not clear, because of cholesteatoma directly oppression or its release of chemical substances, can damage the surrounding bone to the proliferation of inflammation can lead to a series of intracranial and foreign complications. Therefore, the "middle ear cholesteatoma early surgical treatment must."
The cholesteatoma otitis media treatment principle, which is promoted as soon as possible with or modified mastoidectomy with mastoidectomy, completely wipe out the disease, to prevent complications in order to obtain一干ears, and, as appropriate, will Tympanoplasty to improve hearing.

No comments: