单词	venography
释义	venography /vɪˈnɒɡrəfi / noun [mass noun] Medicine Radiography of a vein after injection of a radiopaque fluid.The diagnosis can be confirmed by investigations such as MRI scans, Doppler ultrasonography, and venography.... All patients underwent bilateral lower extremity venography after finishing their prophylaxis regimen. In 116 patients undergoing both CT venography and lower extremity ultrasound, Cham and colleagues found concordant results in 93% of cases. Derivatives venographic /ˌviːnə(ʊ)ˈɡrafɪk/ adjective ... Zettel knew his injury was caused by an extravasation which occurred during the venographic procedure. Second, the venographic findings to which ultrasound is compared vary among investigators. venographically adverb ... Furthermore, no venographically confirmed DVT was found in patients with a normal D-dimer concentration. All patients were followed-up clinically and venographically for a one year period. Clinical signs and symptoms were found to be unreliable in 41.4% of the cases that had venographically proven thrombi. Origin 1930s: from Latin vena 'vein' + -graphy.
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