Medical Dictionary

cholesteatoma

play
noun cho·les·te·a·to·ma \kə-ˌles-tē-ə-ˈtō-mə, ˌkō-lə-ˌstē-, ˌkäl-ə-\

Medical Definition of cholesteatoma

plural

cholesteatomas

also

cholesteatomata

\-mət-ə\play
  1. 1:  an epidermoid cyst usually in the brain arising from aberrant embryonic rests and appearing as a compact shiny flaky mass—called also pearly tumor

  2. 2:  a tumor usually growing in a confined space (as the middle ear or mastoid) and frequently constituting a sequel to chronic otitis media

cholesteatomatous

\-mət-əs\play adjective

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