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
MC tumour in posterior mediastinum is: March 2013 
Select and explain. 
A. Neurofibroma, B. Teratoma, C. Lymphoma, D. Bronchogenic cyst
A: Neurofibroma
Answer: A: Neurofibroma 
Explanation: Ans. A i.e. Neurofibroma Tumours associated with neurofibroma MC tumour associated with neurofibromatosis-I: Optic nerve glioma Feature of neurofibroblastoma-II: Bilateral acoustic neuroma