Postauricular mastoid edema

Postauricular mastoid edema is a clinical symptom of acute suppurative mastoiditis. There is a continuous mucous membrane between the middle ear mastoids. After the middle ear purulent infection, the mastoid mucosa also has an inflammatory response, which is catarrhal at the beginning. The mastoid area may have mild tenderness. After the tympanic membrane perforation and pus flow, the mastoid The inflammatory response disappeared immediately. Such as poor purulent discharge or type III pneumococcal infection, which is very toxic, destroys bone, causes edema, hemorrhage, and necrotic pus in the papillary small atrium, which becomes acute suppurative mastoiditis, which is actually a follow-up of acute otitis media. Should be called acute purulent middle ear mastoiditis.