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: Surgery
Dumbell tumour is seen in - 
Select and explain. 
A. Meningioma, B. Neurofibroma, C. Ependymoma, D. Thymoma
B: Neurofibroma
Answer: B: Neurofibroma 
Explanation: Ans. is 'b' i.e., Neurofibroma