Single-frame images from left common carotid rotational angiography before (A) and after (B) endovascular treatment demonstrate correction of the arterial stenosis, near-complete obliteration of the dissecting pseudoaneurysm by coils, and anatomic preservat... Single-frame images from left common carotid rotational angiography before (A) and after (B) endovascular treatment demonstrate correction of the arterial stenosis, near-complete obliteration of the dissecting pseudoaneurysm by coils, and anatomic preservation of the distal cervical redundant loop of the internal carotid artery. G. Lee Pride, Jr. et al. AJNR Am J Neuroradiol 2004;25:333-337 ©2004 by American Society of Neuroradiology