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Print version ISSN 1130-1473


PASCUAL, B. et al. Spontaneous regression of cerebral arteriovenous malformations: case report and review of the literature. Neurocirugía [online]. 2007, vol.18, n.4, pp.326-329. ISSN 1130-1473.

Spontaneous regression of intracranial arteriovenous malformations (AVMs) is a rare phenomenon. Such an event is more likely to occur with small AVMs that present with intracranial hemorrhage, which are fed by a unique artey and drained through a single vein. The factors responsible for AVMs regression remain unclear. Thrombosis of the AVM secondary to intracranial hemorrhage ha been the most commonly associated factor. Other possible causes are the gliosis around the clot secondary to repeated frequent microbleedings or occlusion of the feeding arteries by small emboli. We report a new case of spontaneous regression of a AVM and review the literature related to this entity.

Keywords : Arteriovenous malformation; Spontaneous regression; Thrombosis; Hemorrhage.

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