The Collaborative International Dictionary of English v.0.48:

Lymphography \Lym*phog"ra*phy\, n. [Lymph + -graphy.]
   A description of the lymphatic vessels, their origin and
   uses.
   [1913 Webster]

WordNet (r) 3.0 (2006):

lymphography
    n 1: roentgenographic examination of lymph nodes and lymph
         vessels after injection of a radiopaque contrast medium;
         produces a lymphangiogram [syn: lymphangiography,
         lymphography]