Common carotid trunk and right vertebral artery originating from the right common carotid artery in a patient with carotid stenosis.

Truncus bicaroticus is a very rare vascular malformation. In this report, we present a very rare anomaly in a patient with left internal carotid artery stenosis together with truncus bicaroticus and right vertebral artery originating from the right common carotid artery. [ABSTRACT FROM AUTHOR]