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Presentation

Sclerotherapy Techniques, Compression, and Management of Leg Veins

Description

The talk explains practical sclerotherapy for leg veins as a highly effective, office-based treatment that dermatologists can perform without major equipment investment. It emphasizes careful venous evaluation, including examining patients standing and lying down, taking good photographs, and ordering ultrasound when larger varicosities, medial leg involvement, or other concerning findings suggest deeper disease. The speaker stresses treating the whole vein network together, including reticular veins and telangiectasias, and notes that multiple sessions are often needed, usually spaced four to eight weeks apart. Foam sclerotherapy is presented as more effective and cost-efficient for veins over 2 mm, while liquid sclerosant is preferred for tiny telangiectasias to reduce matting and hyperpigmentation. Recommended agents include polidocanol, sodium tetradecyl sulfate, and off-label glycerin; hypertonic saline is strongly discouraged because it is painful and ulcerogenic. Compression remains important, but the duration can often be shortened, especially for smaller-vein cases. The speaker also advises against compounded foam preparations because of contamination risks, and reviews technique tips such as using indirect light, stretching the skin taut, confirming intravascular placement, and using latex-free syringes. Overall, the message is that sclerotherapy is safe, durable, and valuable even when patients also need endovenous ablation for reflux, which can be arranged through collaboration with a vascular specialist.

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Conclusions

Sclerotherapy is presented as an effective, practical, and office-based treatment for most unwanted spider and varicose leg veins without requiring major equipment investment.
Careful lower-extremity venous examination, including standing assessment and selective ultrasound, is important to identify underlying reflux and guide treatment planning.
High-pressure saphenous reflux should be treated first when present, but many patients with superficial cosmetic leg veins do not need endovenous laser ablation to achieve good results.
Foam sclerotherapy is more effective and cost-efficient than liquid alone for veins larger than about 1 to 2 millimeters and has become the preferred standard for larger superficial veins.
For tiny telangiectasias, liquid sclerosant is favored over foam to reduce the risk of matting and hyperpigmentation.
The recommended sclerosants are polidocanol, sodium tetradecyl sulfate, and off-label glycerin, while hypertonic saline is discouraged because it is painful and ulcerogenic.
Compounded foaming agents are considered unsafe and unregulated, so commercially prepared or properly controlled solutions are preferred.
Good technique, including proper lighting, magnification, skin tension, needle positioning, and confirming intravascular placement, is essential for safe and effective treatment.
Compression after sclerotherapy remains important, but the required duration can be shorter for small-vein liquid treatments and longer when foam is used.
Long-term outcomes can be excellent, with durable cosmetic improvement, high patient satisfaction, and repeat family referrals over many years.

Margaret Weiss, M.D.
Maryland Dermatology, Laser, Skin & Vein; Anne Arundel Dermatology; Hunt Valley, MD; Clinical Assistant Professor; University of Maryland.
Sclerotherapy and Vein Treatment, Second Edition. McGraw Hill / Medical.
Sclerotherapy, Sixth Edition. Elsevier.