1) Lymphography 
An x-ray study of the lymphatic system. A dye is injected into a lymphatic vessel and travels throughout the lymphatic system. The dye outlines the lymphatic vessels and organs on the x-ray.
<investigation> A method of detecting enlarged lymph nodes, sometimes used to determine the extent of disease in lymphoma patients. It involves the injection of dye into the feet, which allows the lymph system and lymph nodes inside the body to be detected on an X-RAY photograph. ... (13 Nov 1997) ... 
(lim-fan″je-og´rә-fe) angiography of lymphatic vessels.
Type: Term Pronunciation: lim-fan′jē-og′ră-fē Definitions: 1. Radiographic demonstration of lymphatics and lymph nodes following the injection of a contrast medium; lymphography.
an X-ray procedure that creates images of the lymphatic system 
lymphography noun roentgenographic examination of lymph nodes and lymph vessels after injection of a radiopaque contrast medium; produces a lymphangiogram
x-ray visualization of lymph vessels and nodes following injection of a contrast medium. Also called