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: Dental
[{'content': 'A patient presented with blisters. Histopathological examination is shown below. The diagnosis is: \nSelect and explain. \nA. Pemphigus vulgaris, B. Leprosy, C. Dermatitis herpetiformis, D. Pemphigus Folaceous', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The above histopathological image shows presence of classic suprabasal blister suggestive of\xa0Pemphigus vulgaris', 'role': 'assistant'}]