PMC9990782_01
Axial MRI revealing widened right C5 transverse foramen with flow void.
SNI-14-29-g001.jpg
PMC9990782_01_SNI-14-29-g001.jpg
F1
Bony remodeling was noticed through thinning of the right transverse process [Figure 1].
Coronal CT angiogram demonstrating large vertebral artery aneurysm.
SNI-14-29-g002.jpg
PMC9990782_01_SNI-14-29-g002.jpg
F2
A computed tomography angiography (CTA) was then performed which showed a fusiform aneurysm within the right transverse foramen, 8 mm in maximum diameter and 22-23 mm in craniocaudal dimension [Figure 2].
Radial artery anastomosis to V3 with temporary clips still in place.
SNI-14-29-g003.jpg
PMC9990782_01_SNI-14-29-g003.jpg
F3
A harvested 12 cm radial artery (RA) graft was anastomosed to the V3 segment in a side-to-end fashion using 8-0 prolene with single interrupted sutures [Figure 3].
Radial artery anastomosis to external carotid artery.
SNI-14-29-g004.jpg
PMC9990782_01_SNI-14-29-g004.jpg
F4
The graft was, then, tunneled under the sternocleidomastoid into the anterior triangle of the neck and anastomosed to the ECA in the same fashion [Figures 4 and 5].
Radial artery bypass graft from external carotid artery to vertebral artery coursing under the sternocleidomastoid muscle.
SNI-14-29-g005.jpg
PMC9990782_01_SNI-14-29-g005.jpg
F5
The graft was, then, tunneled under the sternocleidomastoid into the anterior triangle of the neck and anastomosed to the ECA in the same fashion [Figures 4 and 5].