FIG 2. A, Preembolization angiogram shows the typical canine renal arterial system.

B, Angiogram obtained 1 hour after embolization shows complete occlusion of the main renal artery and the radiodensity of the CELPHERE cast.

C, Angiogram obtained 12 weeks after embolization shows no evidence of recanalization of the embolized main renal artery.