This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': "Perifascicular atrophy is seen in – \nSelect and explain. \nA. Duchenne muscular atroply, B. Wilson disease, C. Beckers's dystrophy, D. Dermatomyositis", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Muscle biopsy in dermatomyositis shows myonecrosis, myophagocytosis and perifascicular atrophy.', 'role': 'assistant'}]