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
All are vesiculo bullous lesions except – 
Select and explain. 
A. Dermatitis herpetiformis, B. Scabies, C. Pemphigus, D. Pemphigoid
B: Scabies
Answer: B: Scabies 
Explanation: None