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Acute abdomen
Peritonitis is an inflammation (irritation) of the peritoneum, the thin tissue that lines the inner wall of the abdomen and covers most of the abdominal organs.
A collection of pus in the abdomen, called an intra-abdominal abscess, may cause peritonitis.
See the specific types of peritonitis:
Turnage RH, Richardson KA, Li BD, McDonald JC. Abdominal Wall, Umbilicus, Peritoneum, Mesenteries, Omentum, and Retroperitoneum. In: Townsend CM, Beauchamp RD, Evers BM, Mattox KL, eds. Sabiston Textbook of Surgery. 18th ed. St. Louis, Mo: WB Saunders; 2008:chap 43.
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