Sclerotherapy By injecting unsightly veins with special solutions, we can make them much less noticeable, and sometimes they can disappear altogether. Treatment for chronic insufficiency Chronic venous insufficiency can be limb-threatening, requiring treatment to restore blood flow in the leg veins. Treatment for varicose veins Varicose veins can be serious medical issues and may require both surgical and nonsurgical approaches. Varicocele treatment Varicose veins in the male genitalia can be treated without surgery on an outpatient basis. Vascular malformation treatments Vascular malformations can be treated by embolization (blocking a blood vessel) or sclerotherapy (injection of a chemical into a vein to harden it).