<prompt> Regarding appendicitis in children, all are true except?Localized pain is single most imp reliable signVomiting precedes abdominal pain80 cases perforation ocurs in children 5 years60 perforation occurs in 48 hours  <response>: In mesenteric lymphadenitis, the pain is colicky in nature and cervical lymph nodes may be enlarged.The pain is similar; however, signs may be central or left sided. Occasionally, there is a history of antecedent abdominal pain or intermittent lower gastrointestinal bleeding. Ref: Bailey Love;s Sho Practice of Surgery,E25,Page-1207 