Acute appendicitis is the commonest abdominal surgical emergency with a lifetime incidence of 7%. Appendicitis is known to be the disease of the younger age group with only 5%-10% of cases occurring in elderly population. In patients clinically diagnosed of acute appendicitis the reported overall negative appendectomy rate is about 15%-20%; 10% in men and 25%-45% in women of childbearing age. This is associated with a perforation rate of 21%-23%.
