Do TSH, FT3, and FT4 Impact BAT Visualization of Clinical FDG-PET/CT Images?

Figure 1

Representative whole-body maximum intensity projection and FDG-PET/CT axial images of various conditions associated with TH. Images (a) to (d) were without any uptake of BAT, but (e) showed BAT uptake in the neck, the shoulder, the back, and the paravertebral region. (a) Forty-nine-year-old female who was in THW state before radioiodine therapy (case #(4)); (b) fifty-year-old female who received rhTSH before thyroidal ablation (case #(26)); (c) seventy-three-year-old male who underwent FDG-PET for screening of recurrence after surgery for hypopharyngeal carcinoma (case #(37)); (d) fifty-two-year-old female who had a diagnosis of hyperthyroidism (case #(45)); and (e) forty-one-year-old female who received FDG-PET for gastric cancer (case #(56)).