The authors report the case of a 74 year old woman admitted to hospita
l for severe hypertension with unilateral renal artery thrombosis. Rec
analisation of the renal artery was obtained by transluminal angioplas
ty leading to rapid control of the hypertension. Dynamic renal scintig
raphy with MAG 3 confirmed the viability of the kidney distal to the t
hrombosis and, secondarily, the functional recovery of the affected ki
dney.