Mastoiditis classification

Mastoiditis Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:

Classification

Mastoiditis can be classified by disease duration into three types, acute, sub acute and chronic:

1. Acute: infection less than one month. Mostly due to acute otitis media in children
2. Sub acute: indolent infection more than one month, due to inadequate antibiotic therapy and persistent bacteria in middle ear.The clinician is urged to maintain a high suspicion of masked mastoiditis in the high-risk patient, including newborn, diabetic, elderly, immunosuppressed or debilitated patients
3. Chronic: mastoid cavities infection for months to years