Endovascular management of iatrogenic dissection into the petrous segment of the internal carotid artery during mechanical thrombectomy for acute stroke.

Iatrogenic dissection of the internal carotid artery is a well-known complication that can occur during mechanical thrombectomy for acute stroke. The vast majority of these injuries are limited to the cervical segment, and only in exceptional circumstances do they require surgical intervention. In the present case, extension of the lesion into the petrous segment of the carotid artery resulted in an acute neurologic decline necessitating emergent endovascular repair. We discuss the nuances of managing an exceptionally rare presentation of this complication.