Vein Glossary

Below is a glossary of terms related to all aspects of venous disease

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Ablation
A generic term that refers to the closing of the greater saphenous vein (GSV), small saphenous vein (SSV), or anterior accessory saphenous vein using heat from a laser or radio frequency catheter.
  -- Endovenous Thermal Ablation of Superficial Venous Insufficiency of the Lower Extremity: Single-Center Experience with 3000 Limbs Treated in a 7-Year Period


Greater Saphenous Vein (GSV)
The GSV courses from the groin to the ankle on the inner aspect of the leg. The GSV is responsible for most visible bulging veins in the thigh and inner aspect of the calf. All veins have valves, and if the valve does not work right, then bulging varicosities occur through the branches of the GSV.


Vein of Giacommini
Connects the greater saphenous vein (GSV) with the small saphenous vein (SSV). If it refluxes it can cause varicose veins or spider veins in the posterior thigh.
  -- Treatment of Incompetent Vein of Giacomini (Thigh Extension Branch)