Most common site of intra peritoneal abscess?: (A) Morrison's pouch, (B) Omental bursa, (C) Pelvic region, (D) Left subhepatic pouch
Answer is C. Pelvic abscess is the most common intraoeritoneal abscess(50-60%).Causes include- appendicitis,pelvic infections,sequelae of diffuse peritonitis,post operative and other abdominal causes.Organisms include Bacteroides fragilis,E.coli,anaerobic streptococci. Reference :SRB's manual of surgery,5th edition,page no:574.