This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Radiology
This classical "Ice-cream cone" appearance of this intensely enhancing lesion at the right CP angle recess suggests: 
Select and explain. 
A. Epidermoid cyst, B. Arachnoid cyst, C. Acoustic schwannoma, D. High grade glioma
C: Acoustic schwannoma
Answer: C: Acoustic schwannoma 
Explanation: Ans. C Acoustic schwannomaLarge chunk of tumour in the CP angle recess is the ice-cream whereas extension into internal auditory canal forms the cone. Bilateral Acoustic schwannomas suggest - Neurofibromatosis type 2 - MISME syndrome - Multiple Inherited Schwannoma, Meningioma and Ependymoma. The various CP angle masses are schwannoma, epidermoid, dermoid, meningioma.