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
A patient presented with blisters. Histopathological examination is shown below. The diagnosis is: 
Select and explain. 
A. Pemphigus vulgaris, B. Leprosy, C. Dermatitis herpetiformis, D. Pemphigus Folaceous
A: Pemphigus vulgaris
Answer: A: Pemphigus vulgaris 
Explanation: The above histopathological image shows presence of classic suprabasal blister suggestive of Pemphigus vulgaris