This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Dental
[{'content': "Toxic epidermal necrolysis is also called as \nSelect and explain. \nA. Lyell's syndrome, B. Duhring's disease, C. Sweet's syndrome, D. Hailey and Hailey's disease", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Other name for toxic epidermal necrolysis is Lyell s. Syndrome Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are rare, potentially life-threatening, severe mucocutaneous adverse reactions characterized by extensive epidermal detachment, erosion of mucosae and severe constitutional symptoms Ref Harrison20th edition pg 1278', 'role': 'assistant'}]