The foam is then injected into the problematic vein, gradually causing the walls to swell and stick together, blocking off the vein. The deeper venous systems take over the blood flow. Tsao ...

a foam-based option that can also cause the vein to close. Insurance typically only covers varicose vein treatments deemed medically necessary due to painful symptoms. But that doesn’t mean you ...

This disorder is often treated surgically, but several minimally invasive techniques for percutaneous gonadal-vein embolization have been described. Transcatheter foam sclerotherapy (TCFS ...