Scintigraphic detection of an arterial thrombus with In-111-labeled autologous platelets.

Abstract

By scintigraphy with In-111-labeled autologous platelets, we detected an evolving thrombus in the right femoral artery before the patient had developed definite symptoms of vascular occlusion. The thrombus-to-blood activity ratio, measured at 25 hr after injection of tagged platelets, was 57.8.