"post-arachnoiditic adhesions"
"Batson venous plexus"
"For extradural lesions consider:"
"For intradural extramedullary lesions consider (see also leptomeningeal metastases):"
"For intradural intramedullary lesions consider:"
"medulloblastoma (PNET)"
"Each of these are discussed separately. Below are some general remarks on metastatic disease to the spine, theca and cord."