Figure 1From: Fibromuscular dysplasia in an accessory renal artery causing renovascular hypertension: a case reportRenal artery angiography in a 35-year-old woman with unexplained hypertension showing the typical "string-of-beads" sign (arrows) characteristic for FMD involving the lower left renal artery (accessory artery). The arrowhead indicates a small saccular aneurysm at the distal portion of right renal artery.Back to article page