- azygography
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azy·gog·ra·phy .ā-zī-'gäg-rə-fē n, pl -phies radiographic visualization of the azygos system of veins after injection of a radiopaque medium* * *
az·y·gog·raphy (az″ĭ-gogґrə-fe) radiography of the azygos venous system following its opacification with contrast material; usually employed for evaluation of abnormal tumor masses in the mediastinum, as evidenced by extrinsic pressure upon, or complete obstruction of, the visualized azygos vein.
Medical dictionary. 2011.