A unique variation of the jugular veins and its clinical significance.

The authors report a rare variation of the anterior jugular and internal jugular veins in a 78-year-old male donor. An enlarged and curved left anterior jugular vein (AJV) was formed as the continuation of the left common facial vein (CFV). The left AJV's diameter was wider than the internal jugular vein (IJV) and measured around 5 mm greater than the IJV's diameter and a channel connected the two veins.