Fig. 1. SPECT/CT findings in patient with destructive thyroiditis (65-year-old female) compared with findings in euthyroid patient (32-year-old male).Reduced.

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Fig. 1. SPECT/CT findings in patient with destructive thyroiditis (65-year-old female) compared with findings in euthyroid patient (32-year-old male).Reduced uptake of Tc-99m pertechnetate was typical scintigraphic finding and thyroid contour was barely identifiable on planar scintigraphy in destructive thyroiditis patient. However, thyroid was readily visualized in corresponding CT (yellow arrows), enabling accurate segmentation for quantitative parameters. Upper row, planar anterior images; middle row, CT images of SPECT/CT (left, transaxial; right, coronal); and bottom row, SPECT/CT fusion images with thyroid contour being highlighted (left, transaxial; right, coronal). CT = computed tomography, SPECT/CT = single-photon emission computed tomography/CT, SUV = standardized uptake value Fig. 1. SPECT/CT findings in patient with destructive thyroiditis (65-year-old female) compared with findings in euthyroid patient (32-year-old male).Reduced uptake of Tc- 99m pertechnetate was typical scintigraphic finding and thyroid contour was barely identifiable on planar scintigraphy in destructive thyroiditis patient. However, thyroid was readily visualized in corresponding CT (yellow arrows), enabling accurate segmentation for quantitative parameters. Upper row, planar anterior images;… Korean J Radiol. 2018 May-Jun;19(3):470-480. https://doi.org/10.3348/kjr.2018.19.3.470