Recommended Volume of Sclerosing Foam

There is some lack of agreement regarding the volume of foam that should be injected.However, a general consensus regarding recommended volume of foam and caliber of vessel is represented in Table 8.12

Table 8.12. Recommended volume of injection of microfoam sclerosant   Type of vein   Maximum amount per injection site   Maximum amount per session   Technique   C1 telangiectasia, reticular veins   0.5 ml   4 ml a 6–8 ml a   Monfreux Tessari   C2–C6 varicose veins   N/A   4 ml a 6–8 ml a   Monfreux Tessari     a 3 ml or less for short saphenous veins