Dural arteriovenous fistula of the craniocervical junction

Author:

Koutsioumpa Charalampia,Ho Dave,Siegel Cory,Patel Nirav,Smirnakis Stelios,Babikian Viken

Abstract

Dural arteriovenous (AV) fistulas of the craniocervical junction can be challenging to diagnose. We describe a 70-year-old man with subacute progressive myelopathy whose MR scan of cervical spine showed serpiginous dorsal vessels, suggesting a dural AV fistula. However, a detailed diagnostic angiogram was normal, prompting additional work-up and a wider differential, which was non-revealing. His symptoms progressed over months, but the evolution of the lesion characteristics on repeat spinal imaging still suggested a dural AV fistula. Repeat angiogram identified an infratentorial dural AV fistula arising from the meningohypophyseal artery. He improved following retrosigmoid craniotomy and clipping. Initial angiography does not always demonstrate a dural AV fistula; if there is clinical and radiographic evolution, repeat angiography might identify a fistula with a rare arterial feeder.

Publisher

BMJ

Subject

Neurology (clinical),General Medicine

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