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: Gynaecology & Obstetrics
Most common CNS tumor to cause precocious puberty is 
Select and explain. 
A. Astrocytoma, B. Neuro fibroma, C. Ependymoma, D. Hamartoma
D: Hamartoma
Answer: D: Hamartoma 
Explanation: Hamartoma is most common CNS tumor to cause precocious puberty.