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
[{'content': 'A 50-year-old male known case of myasthenia with erythema shallow erosions with few blisters and scales. Oral mucosa is not involved immunopathology demonstrates IgG deposition on keratinocytes and autoantibodies against Dsg – 1. The diagnosis is – \nSelect and explain. \nA. Pemphigus vulgaris, B. Bullous pemphigoid, C. Pemphigus foliaceous, D. Dermatitis herpetiformis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: In this question :-\n\n\nAssociation with mysthenia gravis\nShallow erosions with few blisters\nNo involvement of oral mucosa\nIgG against desmoglein 1 All suggests pemphigous foliaceous :-\n\nAll suggests pemphigous foliaceous:-\ni)\xa0\xa0\xa0 P. foliaceous is the most common variant of pemphigus which is associated with paraneoplastic pemphigus (eg. thymoma with mysthenia gravis)', 'role': 'assistant'}]