Standardized Uptake Value Using Thyroid Quantitative SPECT/CT for the Diagnosis and Evaluation of Graves’ Disease: A Prospective Multicenter Study

Figure 1

An illustration of VOI segmentation of thyroid using Q.Metrix. The VOIs of thyroid denoted by green colour were automatically segmented on the SPECT images for the SUV measurement with a NM threshold of 0.4.