This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
[{'content': 'A complicated case of diveicular disease is defined as diveicula with? \nSelect and explain. \nA. Abdominal pain, B. Abscess and perforation, C. Constipation or diarrhea, D. Diveicular bleeding', 'role': 'user'}, {'content': "Answer: B \nExplanation: .DIVEICULAR DISEASE OF THE COLON * They are acquired herniations of colonic mucosa through circular muscles at the points where blood vessels penetrate (points of least resistance). * It is more commonly localised to sigmoid colon (90%) but occasionally seen in full length of the colon. Rectum is not affected. saint's triad (5%) includes *Diveiculitis *Hiatus hernia *Gallstones.Complications of diveiculitis * Perforation and pericolic abscess or peritonitis * Progressive stenosis and intestinal obstruction * Profuse colonic haemorrhage (17-20%) * Fistula formation (5%)--vesicocolic, vaginocolic, enterocolic, colocutaneous. ref:SRB&;s manual of surgery,ed 3,pg no 820", 'role': 'assistant'}]