The annual current incidence of appendicitis is 10/ 100,000. The vermiform appendix is part of the digestive tract lying, in right iliac fossa of the abdomen. It is a worm-like structure and emerges during embryological life from posteromedial aspect of the cecum, which has a widely varied position. It is connected to the place where three taenia coli converge on posteromedial wall of the caecum, about 2 cm below the ileocecal valve