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Varicose veins are swollen and twisted veins just under the skin, typically on the legs. They may also appear on other parts of the body. ... Varicose vein treatment may involve lifestyle changes ...
How a varicose vein forms in a leg. Figure A shows a normal vein with a working valve and normal blood flow. Figure B shows a varicose vein with a deformed valve, abnormal blood flow, and thin, stretched walls. The middle image shows where varicose veins might appear in a leg. Comparison of healthy and varicose veins
The ASV which is often responsible for varicose veins, can be located at the 'alignment sign', where it is seen to align with the femoral vessels. On ultrasound at the saphenofemoral junction in the groin, the common femoral vein (CFV) with the GSV and the common femoral artery (CFA) create an image called the Mickey Mouse sign.
Superficial vein thrombosis (SVT) is a blood clot formed in a superficial vein, a vein near the surface of the body. Usually there is thrombophlebitis , which is an inflammatory reaction around a thrombosed vein, presenting as a painful induration (thickening of the skin) with redness .
Deep and superficial vein thrombosis may in turn be caused by thrombophilia, which is an increased propensity of forming blood clots. [citation needed] Arteriovenous fistula (an abnormal connection or passageway between an artery and a vein) may cause chronic venous insufficiency even with working vein valves. [citation needed]
A long, thin red area may be seen as the inflammation follows a superficial vein. This area may feel hard, warm, and tender. The skin around the vein may be itchy and swollen. The area may begin to throb or burn. Symptoms may be worse when the leg is lowered, especially when first getting out of bed in the morning. A low-grade fever may occur.
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