mastoidectomy

A group of operations on the mastoid process of the temporal bone and middle ear to drain, expose, or remove an infectious, inflammatory, or neoplastic lesion. [mastoid (process) + G. ektome, excision]
- complete m. an operation to exenterate the air cell system from the mastoid process of the temporal bone for the drainage of the suppuration in acute mastoiditis. SYN: simple m..
- modified radical m. an operation for the management of cholesteatoma that lies lateral to the remnant of the tympanic membrane and middle-ear ossicles; involves exenteration of the remaining air cells of the mastoid process and removal of the posterior and superior walls of the external auditory canal to open the mastoid and attic of the middle ear to the outside and preserve hearing.
- radical m. an operation for the management of extensive cholesteatoma; involves exenteration of the remaining mastoid air cells and removal of the posterior and superior walls of the external auditory canal and the remnants of the tympanic membrane and middle-ear ossicles to exteriorize the mastoid cavity and middle ear through the external auditory canal. SYN: tympanomastoidectomy.
- simple m. SYN: complete m..

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mas·toid·ec·to·my .mas-.tȯid-'ek-tə-mē n, pl -mies surgical removal of the mastoid cells or of the mastoid process of the temporal bone

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n.
an operation to remove some or all of the air cells in the bone behind the ear (the mastoid process of the temporal bone) when they have become infected (see mastoiditis) or invaded by cholesteatoma. See also atticotomy.

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mas·toid·ec·to·my (mas″toid-ekґtə-me) [mastoid + -ectomy] excision of the mastoid air cells or the mastoid process.

Medical dictionary. 2011.

Look at other dictionaries:

  • mastoidectomy — [mas΄toi dek′tə mē] n. pl. mastoidectomies [see ECTOMY] the surgical removal of part or all of a mastoid …   English World dictionary

  • mastoidectomy — noun (plural mies) Etymology: International Scientific Vocabulary Date: 1898 surgical removal of part of the mastoid process of the temporal bone …   New Collegiate Dictionary

  • mastoidectomy — /mas toy dek teuh mee/, n., pl. mastoidectomies. Surg. the removal of part of a mastoid process, usually for draining an infection. [1895 1900; MASTOID + ECTOMY] * * * …   Universalium

  • mastoidectomy — noun The surgical procedure to remove part or all of the mastoid process …   Wiktionary

  • mastoidectomy — n. surgical removal of the mastoid to clean out infection (Medicine) …   English contemporary dictionary

  • mastoidectomy — mas·toid·ec·to·my …   English syllables

  • mastoidectomy — n. an operation to remove some or all of the air cells in the bone behind the ear (the mastoid process of the temporal bone) when they have become infected (see mastoiditis) or invaded by cholesteatoma. See also: atticotomy …   The new mediacal dictionary

  • mastoidectomy — mas•toid•ec•to•my [[t]ˌmæs tɔɪˈdɛk tə mi[/t]] n. pl. mies srg the surgical removal of part of a mastoid process • Etymology: 1895–1900 …   From formal English to slang

  • mastoidectomy — /mæstɔɪˈdɛktəmi/ (say mastoy dektuhmee) noun (plural mastoidectomies) any operation for the relief of inflammation of or within the mastoid process, especially by the removal of part of a mastoid bone …   Australian English dictionary

  • mastoidectomy — noun surgical removal of some or all of the mastoid process • Hypernyms: ↑ablation, ↑extirpation, ↑cutting out, ↑excision …   Useful english dictionary

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