Guest edited by Professors Christopher Ames and Dean Chou of UCSF, this issue is intended to serve as a follow-up to the previous Interventional Neuroradiology issue. The treatment of spinal cord malformations is being further expanded with the use of interventional neuroradiology. This issue will focus primarily on spinal arteriovenous malformations, dural arteriovenous fistulas, spinal hemangiomas, cavernous angiomas, and aneurysms. The issue also focuses on the most prevalent spinal vascular malformations: arteriovenous malformations and fistulas.