Neurointervention.  2017 Mar;12(1):54-56. 10.5469/neuroint.2017.12.1.54.

Cortical versus Pial Venous Drainage in Dural Arteriovenous Fistula

• Lee SH
• Suh DC

• KMID: 2371760
• DOI: http://doi.org/10.5469/neuroint.2017.12.1.54

Abstract

No abstract available.

Keyword

Dural arteriovenous fistula; Pial venous drainage; Pial venous reflux; Cortical venous drainage; Cortical venous reflux

MeSH Terms

Central Nervous System Vascular Malformations*
Drainage*

Figure

• 

  Fig. 1 A 75-year-old male presented with seizure. He had hypertension and diabetes mellitus for 5 years. (A) T2WI shows a focal hemorrhage surrounded by an edema in right frontal lobe. Note a small vein at the brain surface (white arrow) (B) Susceptibility-weighted image shows increased subsceptibility around the hemorrhage due to the engorged pial veins. (C) FLAIR image shows edema and hemorrhage. (D) Thirteen months follow-up FLAIR image after successful embolization reveals resolved hemorrhage and edema. (E) Venous phase of the right internal carotid arteriogram shows the patent superior sagittal sinus but non-filling of the parietal cortical veins. (F) The right internal maxillary arteriogram shows a dural arteriovenous fistula supplied by the middle meningeal artery. (G) Selective angiogram at the distal middle meningeal artery (large arrow) shows filling of the pial veins (small arrows). (H) Contralateral internal maxillary arteriogram shows a filling of the same fistula from the opposite side (arrow).

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