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Fig. 4 | European Journal of Hybrid Imaging

Fig. 4

From: Can 18F-fluorodeoxyglucose positron emission tomography predict the response to radioactive iodine therapy in metastatic differentiated thyroid carcinoma?

Fig. 4

A 72-year-old male patient with pelvis metastases from left (solid arrow) and right (dash arrow) sides. The total longest diameter of pelvis metastases were decreased from 121 mm to 112 mm 10 months after RAI (− 7.8% change defined as Non-PD). Average SUVmax (7.9), sum SUVmax (15.7), maximum MTV (183.0), average MTV (179.5), sum MTV (359.0), maximum TLG (950.4), average TLG (887.0) and sum TLG (177.4) before treatment showed an extremely high values. However, maximum SUVmax showed the value of 8.1 lower than the cutoff of 9.12. a, b, pretreatment 18F-FDG PET/CT of pelvis metastasis on the left side. c, CT of pelvis metastasis on the left side acquired 10 months after RAI. d, e, pre-treatment 18F-FDG PET/CT scan of pelvis metastasis on the right side. f, CT of pelvis metastasis on the right side acquired 10 months after RAI

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