This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
[{'content': "Schwaz sign seen in: \nSelect and explain. \nA. Glomus Jugulare, B. Otosclerosis, C. Meniere's diseases, D. Acoustic neuroma", 'role': 'user'}, {'content': 'Answer: B \nExplanation: In Otosclerosis on OtoscopyTympanic membrane is normal in appearance mostly, middle ear space is well pneumatized and malleus moves with pneumatic otoscopy (i.e. mobility is normal)Sometimes a reddish hue / Flammingo-pink may be seen on the promontory and oval window niche owing to the prominent vascularity associated with an otospongiotic focus. This is known as Schwaz sign.', 'role': 'assistant'}]