Tympanic scarring

Tympanic scarring produces tympanic sclerosis. Tympanic sclerosis is also known as tympanic glass degeneration. It is a plaque-like collagen tissue deposited under the epithelium of the tympanic mucosa, which occurs mostly on the tympanic membrane and the ossicle. Those that occur on the tympanic membrane are still called calcified plaque To make the tympanic mucosa into a milky skin-like substance, covering the ossicle, oval window, and round window, and sticking to the bone, it seems to be coated with an envelope, which affects the upper tympanum and the lower one. The malleus, anvil, sacrum, and tendon are the most easily affected, so many people are deaf. The disease was discovered by Cassebohm in the 18th century, but it has not received much attention. It has not received clinical attention until a large number of micro-auricular operations were performed in modern times (1955).

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