Renal IV DSA was applied to evaluate 15 potential renal donors and 14 examinations of 12 renal allograft recipients. We evaluate the angiographic acute or chronic rejection, alteration of renal size after transplantation, excretion time of the contrast media and pre, post DSA serum creatinine level. DSA is a safe, easily performed, outpatient prodecure and useful in evaluation and distinguishing status of surgical anastomosis, intrarenal vasculatures. arterial excretion time and rejection phenomenon.