Cerebellar arteriovenous malformation and vertebral artery aneurysm in a CADASIL patient.

Abstract

The presence of large vessels malformations has not been reported in cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL). We describe a CADASIL patient in whom a brain cerebellar arteriovenous malformation was revealed by magnetic resonance (MR) imaging. An MR angiogram documented also an aneurysm along the right intracranial vertebral artery at the junction with the posterior-inferior cerebellar artery. The aneurysm was successfully treated by means of endovascular coil embolization. No neurological complication occurred in our patient during the angiographic procedure. In this case, in addition to an incidental coexistence of CADASIL and large vessels abnormalities, a causal role of the Notch pathway alteration could be hypothesized. Dysregulation of the Notch pathway is linked to several human diseases besides CADASIL. In one of these (the Alagille syndrome) intracranial aneurysms are reported. This hypothesis contrasts however with the absence of similar reports in other CADASIL cases and needs corroboration in large series.

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@article{Pescini2006CerebellarAM, title={Cerebellar arteriovenous malformation and vertebral artery aneurysm in a CADASIL patient.}, author={Francesca Pescini and Cristina Sarti and Leonardo Pantoni and S Mangiafico and Simonetta Bianchi and Maria Teresa Dotti and Antonio Federico and Domenico Inzitari}, journal={Acta neurologica Scandinavica}, year={2006}, volume={113 1}, pages={62-3} }