A hemorrhagic complication after Onyx embolization of a tentorial dural arteriovenous fistula: A caution about subdural extension with pial arterial supply

Kenichi Sato, Yasushi Matsumoto, Hidenori Endo, Teiji Tominaga

研究成果: Article査読

15 被引用数 (Scopus)

抄録

We report a case of tentorial dural arteriovenous fistula (DAVF) with a severe intracranial hemorrhage occurring after Onyx embolization. A 40-year-old man presented with an asymptomatic tentorial DAVF on angiography. Transarterial embolization with Onyx was performed via the middle meningeal artery, and the cast filled the fistula itself and its proximal draining vein. Postoperative angiography confirmed complete occlusion of the DAVF. A computed tomography scan performed immediately after the procedure demonstrated an acute subdural hematoma with the temporal hemorrhage. Emergency craniotomy revealed continuous arterial bleeding from a viable glomus-like vascular structure around the proximal part of the embolized draining vein, fed by a pial artery arising from the posterior cerebral artery. Pathologic findings suggested diagnosis of vascular malformation extending into the subdural space. Tentorial DAVFs can extend to the subdural space along their drainage route, and may be involved in severe hemorrhagic complications of curative endovascular treatment using Onyx, particularly those with pial arterial supply.

本文言語English
ページ(範囲)307-312
ページ数6
ジャーナルInterventional Neuroradiology
23
3
DOI
出版ステータスPublished - 2017 6 1

ASJC Scopus subject areas

  • 放射線学、核医学およびイメージング
  • 臨床神経学
  • 循環器および心血管医学

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