g) Vascular

Other entities to consider in this category are:

Redundant Nerve Roots

Flow Artifact Mimicking Abnormal Vascularity

Unusual entity

AV fistula to cervical epidural venous plexus in patients with NF-1

https://www.ncbi.nlm.nih.gov/pubmed/16876638

(I saw case as an embo fellow at NYU with Alex Berenstein)