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 true about dermatitis herpetiformis except: 
Select and explain. 
A. Severe itchy skin lesions over extensor surfaces, B. Most of the patients have underlying coeliac disease, C. It is characterized by IgE anitbodies against TTG : Tissue transglutaminase, D. Dapsone is the drug of choice
C: It is characterized by IgE anitbodies against TTG : Tissue transglutaminase
Answer: C: It is characterized by IgE anitbodies against TTG : Tissue transglutaminase 
Explanation: IgA antibodies are seen against TTG.