Blood clots are a common-and potentially serious-medical condition that affects up to 900,000 U.S. adults every year, ...

It may damage the vein and cause the leg to ache, swell, and change color. Clots can also form in superficial veins. Blood clots with inflammation in superficial veins (called superficial ...

Superficial vein thrombosis (SVT) is a condition characterized by the formation of a blood clot in a superficial vein, often in the legs. While traditionally viewed as a benign and self-limiting ...