This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach and Intestines, Subject name: Pediatrics
In pediatrics, differential for Acute appendicitis are all EXCEPT: 
Select and explain. 
A. Gastroenteritis, B. Volvulus, C. Trauma, D. Torsion
C: Trauma
Answer: C: Trauma 
Explanation: Ans. (c) TraumaRef: Nelson's 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.