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': "Meniere's disease is - \nSelect and explain. \nA. Perilymphatic hydrops, B. Endolymphatic hydrops, C. Otospongiosis, D. Coalescent mastoiditis", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ménière’s disease, which is an idiopathic lesion, is a clinical diagnosis. The following conditions, which are included in Ménière’s syndrome or secondary Ménière’s disease, can mimic the clinical features of Ménière’s disease and should be kept in mind.\n\nMigraine and basilar migraine\nAutoimmune disease of inner ear and otosclerosis\nSyphilis and Cogan’s syndrome\nCardiogenic\nVertebral basilar insufficiency\nTrauma: Head injury or ear surgery\nAcoustic neuroma\n\nAlso Know\n\nL ermoyez syndrome is a variant of Meniere’s disease, where initially there is deafness and tinnitus, vertigo appears later when deafness improves.', 'role': 'assistant'}]