This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: ENT
[{'content': "Lyre sign in seen in \nSelect and explain. \nA. Grave's disease, B. Meniere's disease, C. Lateral sinus thrombosis, D. Carotid body tumour", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Lyre sign is an angiographic finding seen in carotid body tumour of the neck. There is splaying apa of internal and external carotid aeries on angiogram. Ref: Diseases of Ear, Nose and Throat by P.L. Dhingra, 9th edition, p460.', 'role': 'assistant'}]