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
Toxic epidermal necrolysis is also called as 
Select and explain. 
A. Lyell's syndrome, B. Duhring's disease, C. Sweet's syndrome, D. Hailey and Hailey's disease
A: Lyell's syndrome
Answer: A: Lyell's syndrome 
Explanation: 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