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
Acoustic schwannoma- most common site is: 
Select and explain. 
A. CP angle, B. Fossa of Rosenmuller, C. Retropharyngeal space, D. None
A: CP angle
Answer: A: CP angle 
Explanation: Acoustic neuromas (vestibular schwannomas) are benign Schwann cell tumors that typically arise from the vestibular poion of the eighth cranial nerve. The acoustic neuroma is the most common tumor of the cerebellopontine angle.