This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Small & Large Intestine, Subject name: Surgery
[{'content': "In a 10-month-old infant presents with intussusception, likely cause is: \nSelect and explain. \nA. Peyer's patch hypertrophy, B. Meckel's diverticulum, C. Mucosal polyp, D. Duplication cyst", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. (a) Peyer's patch hypertrophyRef: Bailey 26th edition, Page 1184* Most common etiology for intussusception in infants is hypertrophied Peyer's patches which is usually due to rhinovirus infection", 'role': 'assistant'}]