腎孟尿管静脈瘤のX線診断

概要

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In literature, 45 cases of ureteral varix have been reported, and also been attracting attention as a cause of hematuria. Ureteral varix is usually diagnosed by IVP and renal arteriography, however its criteria is not defined yet. The authors performed retrograde renal venography in 133 cases of so-called essential hematuria, and in 24 cases of them ureteral vein was well visualized. A study on the X-ray diagnosis of ureteral varix was made on the bases of comparison of the venographic findings in those 24 cases with findings of IVP and arteriography. X-ray findings were discussed as follows; (1) notching of the ureter on IVP (2) visualization of the ureteral vein at the venous phase of renal arteriography (3) width and tortuosity of the ureteral vein on venogram (4) direction of the blood flow of the ureteral vein. As a result, retrograde renal venography is the most reliable method for the diagnosis of the ureteral varix, and the diagnosis of the ureteral varix should be made in the case of which diameter of the ureter vein is more than 3 mm.
泌尿器科紀要刊行会の論文