👉 A syringeal cyst is a type of cyst or abscess that occurs in the saphenous vein, which is a major blood vessel that carries blood from the body to the legs. The saphenous vein is located just below the knee bone and branches out into two main veins: the femoral vein (which enters the leg) and the brachiocephalic vein (which enters the neck). The saphenous vein contains a large amount of blood, which
