94
Treatment
Figure 28. Normal and Bovine Aortic Arch Configurations
A, Type I aortic arch: e normal aortic arch configuration.
B, Type II-A aortic arch: e le common carotid artery originates from the innominate artery.
C, Type II-B aortic arch: e innominate and le common carotid arteries share a common origin.
Adapted from Layton, et al. AJNR Am J Neuroradiol. 2006;27:1541-1542. Copyright 2006,
American Society of Neuroradiolog y. Used with permission from Mayo Foundation for Medical
Education and Research, all rights reserved.
