This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous System, Subject name: Pathology
[{'content': 'True about turcot syndrome \nSelect and explain. \nA. Mutations in PTEN gene, B. CNS tumors, C. Non neoplastic polyps, D. Congenital hypertrophy of retinal pigment epithelium', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. (b) CNS tumors(Ref: Russell & Rubinstein's Pathology of Tumors of the Nervous System 7Ed, pg 997)Turcot syndrome is characterised by:*Intestinal polyposis*CNS tumours: glioblastoma or medulloblastoma", 'role': 'assistant'}]