Cholesteatoma is a destructive, expanding growth of keratinizing squamous epithelium in the middle ear and/or mastoid process. It is not cancerous, but its erosive and expansile growth can destroy the small bones of the middle ear and even extend through the base of the skull into the brain. Cholesteatomas often become infected, causing chronically draining ears, and treatment almost always requires surgical removal.
Facts
Classification
ICD-10 ChapterVIII: Diseases of the Ear and Mastoid Process 2 Communicable or Non-communicable Sources
1. Cholesteatoma (Wikipedia)
- lead: a destructive growth of keratinizing squamous epithelium in the middle ear, not cancerous and not stated as infectious
Lead section, body-system statement
This can result in the destruction of the bones of the middle ear (ossicles), as well as growth through the base of the skull into the brain.
View the Source2. Wikipedia: ICD-10
WikipediaList of chapters, Chapter VIIIQuote, List of chapters, Chapter VIII
Diseases of the ear and mastoid process
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