Fig. 1.

CZT (cadmium-zinc-telluride)-based gamma cameras. a D-SPECT (Spectrum Dynamics Medical): overview, one of nine detectors, and a gantry with nine detectors from left to right. (This figure was originally published by Gambhir et al. [7]. Copyright the Society of Nuclear Medicine and Molecular Imaging). b Discovery 530c (GE Healthcare) (left), NM/CT570c (GE Healthcare) (right). (This figure was originally published by Bocher et al. [73] under the terms of the Creative Commons Attribution Noncommercial License. No change was made)