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  • Title: Endovascular embolisation of posterior condylar canal dural arteriovenous fistula.
    Author: Prasad SN, Singh V, Sharma S, Kumari M.
    Journal: BMJ Case Rep; 2024 Feb 15; 17(2):. PubMed ID: 38359960.
    Abstract:
    We describe a rare case of dural arteriovenous fistula (dAVF) of the posterior condylar canal in a man in his 30s who presented with recent onset headache and neck pain and subsequently acute intracranial haemorrhage. Radiological workup showed a medulla bridging vein draining dAVF of the right posterior condylar canal supplied by a meningeal branch of the right occipital artery. A dilated venous sac was seen compressing over cerebellar tonsil on the right side. There was acute haemorrhage in the posterior fossa and fourth ventricle. He was successfully managed with transarterial endovascular embolisation via a supercompliant balloon microcatheter without any complication. The balloon microcatheter effectively prevented reflux of the liquid embolic agent into the parent artery and vasa nervosa of lower cranial nerves.
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