Mastoiditis MRI

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

MRI

MRI in mastoiditis plays role in the detection of cholesteatoma, also when intracranial and some intratemporal complications are suspected. Specifically, MRI has shown superiority in assessing the severity of intracranial involvement and abscess border visualization.

Both CT and MRI are used in the evaluation of COM and its complications. Although, HRCT is the best tool to evaluate ossicular chain and tympanic cavity walls and mastoid itself, however, CT is unable to differentiate between different types of effusions in the tympanic cavity, also evaluation of cholesteatoma can be challenging.