If sclerotherapy didn´t work for me in the past does that mean it never will?
If you have leaks from your ceiling when it rains, and you kept patching the ceiling without first repairing the source at the roof, you wouldn´t be surprised to find your ceiling kept springing leaks every time it rained. Likewise, as stated in the above answer regarding large varicose veins, one must first eliminate the underlying diseased veins that feed the bulging surface veins to obtain a long term result.