[Perivesical abscess secondary to ruptured appendicitis : a case report].

A 38 year-old man was referred to our hospital for high fever and lower abdominal pain. The laboratory data showed his inflammatory state with a few puss cells in the urine analysis. Computed tomography (CT) scan and magnetic resonance imaging (MRI) scan demonstrated perivesical abscess and the cystoscopy on the day just before the operation revealed no abnormal findings in the bladder mucosa.