This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy of Middle Ear, Subject name: ENT
[{'content': "Phlep's sign is seen in: \nSelect and explain. \nA. Glomus jugulare, B. Vestibular schwannoma, C. Meniere's disease, D. Neurofibromatosis", 'role': 'user'}, {'content': "Answer: A \nExplanation: The best investigation for diagnosis of Glomus jugulare is CECT. Normally the jugular fossa is separated from the carotid canal by a crest of bone known as jugular plate. The erosion of the jugular plate occurs upon expansion of this tumour and is seen on CECT and is known as 'Phlep's sign'.", 'role': 'assistant'}]