The left common iliac vein crosses which structure to the right common artery just distal to the aortic bifurcation?

The left common iliac vein indeed crosses posterior to the right common femoral artery just distal to the aortic bifurcation. Understanding the anatomical relationships between these structures is crucial for vascular specialists. The left common iliac vein travels from the pelvis toward the heart, and as it approaches the region of the aortic bifurcation, it takes a path that places it behind the right common femoral artery.

This anatomical positioning is important for various clinical and surgical considerations, including the interpretation of imaging studies and the planning of interventions such as venous access or addressing vascular pathology. Recognizing these spatial relationships helps in assessing potential complications, understanding conditions such as May-Thurner syndrome, and guiding the management of venous disease. The position of the left common iliac vein relative to the right common femoral artery is a fundamental aspect of vascular anatomy that professionals must be familiar with.