n. inflammation in the tissues around the bladder, causing pain in the pelvis, fever, and symptoms of *cystitis. It usually results from infection in the Fallopian tubes or uterus, but can occasionally arise from severe infection in a *diverticulum of the bladder itself. Treatment of pericystitis is directed to the underlying cause and usually involves antibiotic therapy. Pericystitis associated with a pelvic abscess clears when the abscess is surgically drained.
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