<prompt> Commonest spinal tumour isNeuroblastomasNeurofibromaEpendymomaMeningioma  <response>: Remember: Most Common Spinal tumor - Metastasis Primary spinal tumor - Nerve sheath tumor Neurofibromas, Schwannoma Extradural tumor - Metastasis Intradural extramedullary - Nerve sheath tumor Intramedullary - Ependymoina Ref : Schwaz surgery 7e p1891 