Mucocele of the appendix: An unusual cause of lower abdominal pain in a patient with ulcerative colitis. A case report

The authors report the case of a 60-year-old male patient (B.S.). In November 2001 he developed intestinal symptoms: bloody diarrhea and abdominal pain. Colononoscopy and biopsy established the diagnosis of ulcerative colitis (proctosigmoiditis). The disease activity was moderate at the beginning. No significant laboratory alterations were found (including CEA, CA19–9), mesalazine was started orally. He was in remission until November 2003, when he was admitted to our Outpatient Clinic with upper and right lower abdominal pain and bloody diarrhea. Colonoscopy found proctosigmoiditis with moderate activity, gastr…