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Aortic dissection associated with a neurointerventional guidewire retained in a perforating branch of the right posterior cerebral artery

Radiology, Columbia University Medical Center, 177 Fort Washington Avenue, New York 10032, USA

Correspondence: Dr Angelos Konstas, Radiology, Columbia University Medical Center, 177 Fort Washington Avenue, New York 10032, USA. E-mail: AKONSTAS{at}PARTNERS.ORG

We report a case of a 55-year-old man with a 6.5 mm right posterior cerebral artery (PCA) aneurysm. Upon attempted Guglielmi detachable coil embolisation, the guidewire was lodged in a perforating branch of the right PCA and attempted retractions were unsuccessful. The retained guidewire was left in the patient. The patient died 10 weeks later due to a perforation that dissected through the wall of the ascending aorta resulting in haemopericardium.