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: Pathology
Which of the following brain tumours do not spread CSF 
Select and explain. 
A. Germ cell tumours, B. Medulloblastoma, C. CNS lymphoma, D. Craniopharyngioma
D: Craniopharyngioma
Answer: D: Craniopharyngioma 
Explanation: Brain tumors spreading CSF are * Ependymoma * Medulloblastoma * Choroid plexus carcinoma * Astrocytoma * Germinoma * Pineoblastoma * CNS Lymphoma