Mastoiditis is a bacterial infection of the mastoid air cells near the middle and inner ear. The mastoid bone, packed with these air cells, is part of the skull’s temporal bone. It is assumed that the mastoid air cells protect the fragile ear structures, control the ear pressure and probably protect the temporal bone during trauma. Mastoiditis can grow when the mastoid cells are infected or inflamed, sometimes as a consequence of an unresolved middle ear infection (otitis media). Because so many important structures pass through the mastoid, the infection…
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