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Fatal Rebleeding from a Dural Arteriovenous Malformation of the Posterior Fossa: case report with pathological examination

Published online by Cambridge University Press:  18 September 2015

J. Max Findlay  and
Bruce W. Mielke
J. Max Findlay*
Affiliation:
Division of Neurosurgery, Division of Anatomical Pathology, University of Alberta
Bruce W. Mielke
Affiliation:
Department of Laboratory Medicine and Pathology, The Montreal Children's Hospital, Division of Anatomical Pathology, University of Alberta
*
F.R.C.S.C., Associate Professor, University of Alberta, Department of Surgery, 2D 1.02 Mackenzie Health Sciences Centre, 8440 - 112 Street, Edmonton, Alberta, Canada T6G 2B7
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Abstract:

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A seventy-year-old woman suffered a fatal cerebellar rehemorrhage from a large venous aneurysm associated with a dural arteriovenous malformation (AVM) of the posterior fossa. The malformation, fed by branches of the right vertebral, occipital and middle meningeal arteries, had a nidus in the transverse sinus wall with a pedunculated extension reaching the pial surface of the adjacent cerebellum, from where the malformation drained exclusively into an aneurysmal cerebellar vein. There was no associated venous sinus obstruction. Histopathological examination of the venous sinuses, arteriovenous malformation and venous drainage is described and these findings as they relate to the pathogenesis of dural AVMs are discussed. Vascular malformations of the dura mater do not appear to be a single clinical or pathological entity. The serious risk of hemorrhage from a parenchymal venous aneurysm is emphasized.

Type
Articles
Information
Canadian Journal of Neurological Sciences , Volume 21 , Issue 1 , February 1994 , pp. 67 - 71
Copyright
Copyright © Canadian Neurological Sciences Federation 1994

References

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