Abcess - Definition

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An abscess is a localized accumulation of pus in a cavity. It may be superficial or deep. An infection is the cause: the struggle between microbes and the immune cells of the body will result in the death (or necrosis) of certain cells, forming pus. The abscess is constituted as an area of purulent ??necrosis at the center and a zone of tissue repair at the periphery. Its presence is often detected by the four criteria: redness, heat, pain, and swelling (or edema); the evacuation of pus is the main treatment, supplemented with antibiotics as appropriate.