Last revised by Yuranga Weerakkody on 27 Jul 2022

Otomastoiditis, or more simply inflammation of the mastoid air cells, can be divided into two distinct entities:

  1. acute otomastoiditis: usually due to bacterial infection
  2. chronic otomastoiditis: usually due to Eustachian tube dysfunction

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Cases and figures

  • Case 1: mastoiditis with bony erosion
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  • Case 2: acute otomastoiditis
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