Mastoiditis is a bacterial infection of the mastiod air cells. The image above is a coronal MRI after gadolinium. Complications of mastoiditis is temporal lobe abscess, and that is also shown in the image above. Signs and symptoms include, swelling and tenderness of the postauricular, hearing loss, fever, and a unresolved otitis media. Lab work such as a complete blood count (CBC) helps aide in the diagnosis and treatment of the condition. Most effective diagnosising tool is imaging of the mastoid area. Treatment of mastoiditis is being admitted for IV antibiotics course for 21 days, or having a myringotomy (tubes in the middle ear), although 50% of cases has to have mastoidectomy (removes infected bone or mucosa).
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