Phlebology is a medical-surgical subspecialty within the vascular surgery unit comprising of the study, treatment and prevention of diseases affecting the venous system. Venous pathologies can cause numerous symptoms and signs, the most frequent include the feeling of heavy legs and the apparition of varicose veins. Phlebological alterations are highly prevalent in our society, affecting both men and women and may present some manifestations of venous insufficiency in more than 50% of the population from the age of 50. The manifestations vary greatly, ranging from varicose veins in the legs (dilated and raised venous cords in the skin of the legs) to the unaesthetic capillary vascular dilations or spider veins that usually affect the thighs and legs. In very advanced cases ulcers and leg wounds can occur. The healing time of these is often long, and can be very incapacitating (see images of different types of varicose veins).
See Sclerotherapy, treatment for varicose vein removal without surgery