This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumors, Subject name: ENT
[{'content': "Phlep sign is seen in? \nSelect and explain. \nA. Otosclerosis, B. Meniere's disease, C. Lateral sinus thrombosis, D. Glomus tumor", 'role': 'user'}, {'content': "Answer: D \nExplanation: ANSWER: (D) Glomus tumorREF: Dhingra's 4th ed p. 107Signs seen in glomus tumor:Phelp's sign: Loss of crest of bone (as seen in CT-scan) between carotid canal and jugular canal in glomus jugulareBrown's sign: Refers to the blanching noted when applying positive pressure (with Siege's speculum) to the tympanic membrane of a patient with Glomus tumor", 'role': 'assistant'}]