Bilateral variations of the great saphenous vein

The great saphenous vein is the longest in human body and has been one of most preferred autologous tissue bypass surgery.It affected by life conditions causing pathological dilatations called varices. We observed bilaterally duplicated saphenousvein both lower limbs an elderly male cadaver during our routine dissection for undergraduate anatomy education. Aftera detailed inspection veins at sides, we measured illustrated variant branches. In this case report, presentedbilaterally veins, accompanied accessory vein. To best knowledge, there are nosuch variations reported literature so far. think that recognizing such before surgery will increase success.