Definition

A procedure that uses x-rays or magnetic resonance imaging (MRI) to make pictures of the lymphatic system. A dye is injected into the body to make the lymphatic vessels and lymph nodes easier to see in the pictures. Lymphangiography may be used to check for blockages or leaks in the lymphatic system and to help diagnose certain conditions, such as lymphedema or lymphoma, or find out whether cancer has spread. It may also be used to help plan treatment or find out how well treatment is working. Lymphangiography is also sometimes used before surgery to learn more about the structure of a person’s lymphatic system. Also called lymphography.