Regarding varicose veins, which one of the following statements is true -

Sural nerve accompanies sho saphenous vein and is in danger during its stripping Saphenous nerve is in danger during stripping of long saphenous vein "Recurrent varicosities are seen in 10-15% cases" 5% phenol in almond oil or peanut oil is used as a sclerosant. We do not know whether it's the appropriate sclerosant or not but at least it's the appropriate answer. Sclerosing agents These are irritants causing inflammation, coagulation and ultimately fibrosis when injected into haemorrhoids, piles or varicose vein mass. They are used only for local injection. Phenol (5%) in almond oil or peanut oil. Ethanolamine oleate (5%) in 25% glycerin and 2% benzyl alcohol. Sod. Tetradecyl sulfate (3% with benzyl alcohol 2%) Polidocanol (3% inj)