This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Neoplasia), Subject name: Surgery
Most common location of spinal tumors 
Select and explain. 
A. Intramedullary, B. Intradural extramedullary, C. Extradural, D. Equally distributed
C: Extradural
Answer: C: Extradural 
Explanation: Ans. is 'c' i.e. Extradural "The majority of neoplastic conditions that affect the spine are extradural metastases." - DeVita's Oncology Most commonSpinal tumor - MetastasesPrimary spinal tumor - Nerve sheath tumorIntramedullary tumor - EpendymomaSite of spinal tumors - ExtraduralSite of primary tumors - Intradural extramedullary