Segmental branch renal artery stenosis diagnosed with captopril renography.

There have been only a few reports of post-Captopril renography diagnosing segmental renal arterial stenosis. These previous case reports have involved an accessory renal artery when multiple renal arteries were present. This case report describes Captopril-induced segmental dysfunction due to an intrarenal branch stenosis of a single renal artery.