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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Spinal dural arteriovenous fistula with perimesencephalic subarachnoid haemorrhage.

A case is reported of a 66 year old woman presenting with perimesencephalic subarachnoid haemorrhage (SAH) which was caused by a spinal dural arteriovenous fistula at the C1 level. The fistula drained into the venous system of the posterior cranial fossa through a perimedullary vein. The bleeding was thought to result from venous hypertension induced by the fistula. This case may support the hypothesis that perimesencephalic non-aneurysmal SAH can be ascribed to venous bleeding and that venous hypertension is the key to its pathology.[1]


  1. Spinal dural arteriovenous fistula with perimesencephalic subarachnoid haemorrhage. Hashimoto, H., Iida, J., Shin, Y., Hironaka, Y., Sakaki, T. Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia. (2000) [Pubmed]
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