This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
Which of the following statements about Von-Hippel Lindau syndrome is true 
Select and explain. 
A. Multiple tumors are rarely seen, B. craniospinal hemangioblastomas are common, C. Superatentorial lesions are common, D. Tumors of Schwann cells are common
B: craniospinal hemangioblastomas are common
Answer: B: craniospinal hemangioblastomas are common 
Explanation: Harrison's principles of internal medicine 17th edition. *In VHL somatic mutation of normal allele leads to retinal angiomas, CNS hemangioblastoma,pheochromocytomas and multicentric clear cysts,hemangiomas and adenomas of kidney