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
A patient with ear complaints showed positive Hennebe sign. Which of the following condition shows positive Hennebe sign? 
Select and explain. 
A. Meniere's disease, B. Acoustic neuroma, C. Neuronitis, D. Glossopharyngeal neuralgia
A: Meniere's disease
Answer: A: Meniere's disease 
Explanation: The presence of a fistula is suspected if nystagmus occurs or if the patient perceives movement of a visual target that is fixed after applying positive pressure to the outer ear canal. REF : HAZARIKA 3RD ED.