Presentation
Transient arm weakness. ? TIA
Patient Data
Age: 95 years
Gender: Female
From the case:
Persistent hypoglossal artery and bovine arch
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/122394/annotated_viewer_json?c=1654626947\u0026lang=us"}
- large persistent hypoglossal artery arising from the distal right cervical ICA at the level of C2/3
- the vessel passes through an enlarged hypoglossal canal to join the basilar artery
- absent right vertebral artery and diminutive left vertebral artery noted
- no aneurysms or large vessel occlusion
- bovine aortic arch also noted
Case Discussion
This case illustrates two vascular anatomical variants of both the aortic arch (bovine arch) and of the persistent carotid-vertebrobasilar anastomoses (persistent hypoglossal artery)
Unable to process the form. Check for errors and try again.