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Mastoiditis Learning Center
Causes could include:
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Mastoiditis is usually caused by a middle ear infection (acute otitis media). The infection may spread from the ear to the mastoid bone of the skull. The mastoid bone fills with infected materials and its honeycomb-like structure may deteriorate.
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The bacteria that cause mastoiditis are those most commonly associated with AOM. They include the following: Streptococcus pneumoniae Haemophilus influenzae Moraxella catarrhalis Staphylococcus aureus Pseuodomonas aeruginosa Klebsiella Escherichia...
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Mastoiditis is caused by the same types of bacteria which cause middle ear infections ( Streptococcus pneumoniae and Haemophilus influenzae ), as well as by a variety of other bacteria ( Staphylococcus aureus, Pseuodomonas aeruginosa, Klebsiella ,...
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Bacteria are prokaryotes (unicellular organisms with no membrane-enclosed nucleus) with simple structures that typically range in size from about 0.5 to 20 micrometers.
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