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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 28:1599-1601, September 2007
DOI 10.3174/ajnr.A0606
© 2007 American Society of Neuroradiology

Case Report
INTERVENTIONAL

Dural Arteriovenous Fistula Involving the Posterior Condylar Canal

H. Kiyosue^a, M. Okahara^b, Y. Sagara^a, S. Tanoue^a, S. Ueda^b, C. Mimata^c and H. Mori^a

^a Department of Radiology, Oita University Faculty of Medicine, Yufu City, Oita, Japan
^b Department of Radiology, Shinbeppu Hospital, Oita, Japan
^c Department of Neurosurgery, Shinbeppu Hospital, Oita, Japan

Please address correspondence to Hiro Kiyosue, Department of Radiology, Oita University Faculty of Medicine, 1-one Idaigaoka Hasama, Yufu City, Oita, Japan; e-mail: hkiyosue{at}med.oita-u.ac.jp

SUMMARY: Although dural arteriovenous fistulas (DAVFs) occur in any structure that is covered by the dura mater, DAVFs at the posterior condylar canal have not been reported. We present a DAVF that involves the posterior condylar canal and drains into the posterior condylar vein and the occipital sinus, which was treated by selective transvenous embolization. Knowledge of venous anatomy of the craniocervical junction and careful assessment of the location of the arteriovenous fistula can contribute to successful treatment.