The authors report a case of acute subarachnoid hemorrhage due to the rupture of multiple anterior spinal artery aneurysms. In view of the clinical and radiological findings, surgery was excluded and a wait-and-see policy was followed. A magnetic resonance imaging study performed 3 months after presentation and an angiographic study performed 6 months after presentation confirmed spontaneous regression of the aneurysms and preservation of blood flow through the anterior spinal artery.
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Longatti et al. (2008) studied this question.
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