Left intrarenal doppler spectrum with dampened tardus/parvus waveform
Right intrarenal doppler spectrum normal
Left renal artery occlusion
Patent right renal artery
Volume-rendered image (posterior view) shows bilateral focal narrowing of the proximal main renal artery (arrows) with poststenotic dilatation.
Digital subtraction angiogram shows an approximately 30% stenosis of the right main renal artery (arrow)
Coronal maximum-intensity projection image shows two calcified plaques (arrows) projecting over the proximal right main renal artery
MRA showing right renal artery stenosis