<prompt> In pediatrics, differential for Acute appendicitis are all EXCEPT:GastroenteritisVolvulusTraumaTorsion  <response>: Ans. c TraumaRef: Nelsons Pedia 18th ed. Ch. 340Differential Diagnosis for Acute Appendicitis The list of illnesses that can mimic acute appendicitis is extensive and even limited to common conditions includes: gastroenteritis; mesenteric adenitis; Meckel diverticulitis; inflammatory bowel disease; pneumonia; cholecystitis; urinary tract infection; infectious enteritis; Testicular torsion. 