Mastoiditis classification

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

Overview

Mastoiditis may be classified into acute and sub acute and chronic forms, depending on the timing of presentation and duration.

Classification

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• Acute: infection less than one month. Mostly due to acute otitis media in children.77
• 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.
• Chronic: mastoid cavities infection for months to years