<prompt> Acute appendicitis is characterized by all of the following except: September 2005AnorexiaRovsings signFever 42 degree celsiusPeri-umbilical colic  <response>: Ans. C: Fever 42 degree celsiusAppendicitis is more common in men The risk of perforation is:Less than 10 years old 5010-50 years old 10Over 50 years old 30Clinical features of appendicitis:Central abdominal pain moving to right iliac fossaNausea, vomiting, anorexiaLow-grade pyrexia 37.2-37.7 degree celsiusLocalised tenderness in right iliac fossaRight iliac fossa peritonismPercussion tenderness is a kinder sign of peritonism than reboundRovsings sign pain in right iliac fossa on palpation of the left iliac fossa 