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 of the following are bullous lesions except - 
Select and explain. 
A. Pemphigus vulgaris, B. Dermatitis herpetiformis, C. Atopic dermatitis, D. Pemphigoid
C: Atopic dermatitis
Answer: C: Atopic dermatitis 
Explanation: Primary blistering disorder

Intraepidermal → Pemphigus vulgaris, P. foliaceous, P. vegetans, P. erythematosus.
Subepidermal → Bullous pemphigoid, Dermatitis herpe4formis, Epidermolysis bullosa acquisita.