Cholesteatoma Glossary
Canal wall down procedure
Description
a procedure where the bony partition between the back part of the ear canal and mastoid is removed
Canal wall up procedure
Description
a procedure where the bony partition between the back part of the ear canal and mastoid is kept intact
Congenital cholesteatoma
Description
a cholesteatoma that arises in an ear from squamous epithelium that became entrapped within the middle ear or petrous apex
Mastoid
Description
the bone located directly behind the external ear which communicates with the middle ear
Mastoidectomy
Description
a procedure to remove part of the mastoid in order to clean out infection and remove cholesteatoma
Modified radical mastoidectomy
Description
a procedure where the bony partition between the back part of the ear canal and mastoid is removed and an ossicular reconstruction with repair of the eardrum is also performed
Ossicular reconstruction
Description
a procedure to repair the ossicles so that sound transmission can occur to the inner ear
Petrous apex epidermoid
Description
a cholesteatoma that arises from squamous epithelium that became entrapped within the petrous apex