CdZnTe Detector Arrays For Nuclear Medicine Imaging

Abstract

Experimental parameters of Cd,,Z%Te detectors relevant to nuclear medical imaging are presented and discussed. An image of a thyroid phantom was acquired with an early-stage prototype Cd,JqTe detector array imager using conditions to emulate observations in a human patient and a nuclear medicine imaging parallel-hole collimator. The phantom was filled with a Tc-99m solution. Results were compared with an image obtained from a modern commercial Anger camera under the same conditions. The Cd,-J%Te imager was found to exhibit resolution and contrast at least equal to those of the Anger camera.