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©2013 UpToDate ® Print Email Aortogram showing renal artery stenosis Aortogram shows a focal stenosis of the left renal artery with poststenotic dilatation (arrow). The right renal artery has a normal caliber and is delivering contrast to the right kidney well before the left kidney recieves contrast. Courtesy of Jonathan Kruskal, MD.
©2013 UpToDate ® Print Email Aortogram showing renal artery stenosis Aortogram shows a focal stenosis of the left renal artery with poststenotic dilatation (arrow). The right renal artery has a normal caliber and is delivering contrast to the right kidney well before the left kidney recieves contrast. Courtesy of Jonathan Kruskal, MD. Percutaneous transluminal renal angioplasty for renal artery stenosis Renal arteriogram after percutaneous transluminal renal angioplasty (PTRA) has largely corrected the stenotic lesion in the right renal artery (arrow). From: Rose BD. Pathophysiology of Renal Disease, 2d ed, McGraw-Hill, New York 1987.