the sequential renal scan appears to be a sufficiently reliable method in noninvasive screening for unilateral rvh , although invasive xenon-washout studies show a higher percentage of hemodynamic alterations in the stenosed kidney . o-iodohippurate clearance tests , and in particular xenon-washout studies , can reveal arteriosclerotic lesions in the contralateral , non-stenosed kidney , which may be of importance when the decision for renovascular surgery is pending .
C0022646
kidney
C0268790
renovascular