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Mechanically-induced proximal arterial occlusion and stent-within-a-stent technique for the treatment of bilateral vertebral artery dissecting aneurysms

¹ Department of Diagnostic Radiology, Korea University, College of Medicine, Seoul, ² Department of Radiology, Seoul National University College of Medicine, Seoul, Korea

Correspondence: Taik-Kun Kim, MD, Department of Diagnostic Radiology, Korea University College of Medicine, Ansan Hospital, #516 Kojan-Dong, Ansan City, Kyungki-Do 425-020, Korea. E-mail: tkkim{at}kumc.or.kr.

Several endovascular approaches have been used in the treatment of dissecting aneurysms of the vertebrobasilar system. We present a case of a bilateral spontaneous vertebral artery (VA) dissecting aneurysms presenting with a subarachnoid haemorrhage. The dominant left VA aneurysm was treated with a stent-within-a-stent construct and the contralateral VA aneurysm was proximally occluded, with no complications, by an unintentional mechanically-induced arterial occlusion.