This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blistering disorders, Subject name: Dental
[{'content': 'Granular IgA deposit at dermal papilla are found in: \nSelect and explain. \nA. Dermatitis Herpetiformis, B. IgA disease of childhood, C. Herpes gestationalis, D. Bullous pemphigoid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: IgA deposits in dermis are seen in the following conditions: Granular deposits (at tips of dermal papilla) - Dermatitis Herpetiformis (option A) Linear deposits - CBDC (Chronic bullous disease of childhood) and Linear IgA disease of childhood (option B).', 'role': 'assistant'}]