Bilateral cervical spinal dural arteriovenous fistulas with intracranial venous drainage mimicking a foramen magnum dural arteriovenous fistula.
Hetts SW, English JD, Stiver SI, Singh V, Yee EJ, Cooke DL, Halbach VV. Bilateral cervical spinal dural arteriovenous fistulas with intracranial venous drainage mimicking a foramen magnum dural arteriovenous fistula. Interv Neuroradiol. 2013 Dec; 19(4):483-8.