Ultrasound-guided foam sclerotherapy is the latest development in the sclerotherapy field. The principle is the same as conventional sclerotherapy. The sclerosant is used to obliterate varicose veins.
The new points in this technique are that the liquid sclerosant is agitated to produce a foam-like mixture which is basically air that is mixed with sclerosant. This looks just like shaving foam. When this is injected into the veins it can be traced using an ultrasound scanner. Using ultrasound improves accuracy and the use of foam will maximize the effects of the injection.
Ultrasound-guided foam sclerotherapy can be a very effective technique in the removal of varicose veins.