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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 2 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 2

From: Additive value of 18FDG-PET/CT to positive 131I whole body scan in recurrent differentiated thyroid cancer patients with potential influence on treatment strategy: single Egyptian center experience

Fig. 2

Fifty-seven-year-old female patient with stage III differentiated follicular thyroid cancer underwent total thyroidectomy and 131I ablation. During follow-up, patient was represented by elevated serum Tg level; 200 ng/ml. Diagnostic WBS revealed only small recurrent thyroid tissue in thyroid operative bed (not available), so 18FDG-PET/CT was done to detect the possibility of hidden metastases. A 18FDG-PET/CT axial, sagittal and coronal sections reveal thyroid distant metastases; supraclavicular region LN, dorsal and lumbar vertebrae, paraspinal mass, pelvic bones and left femur (arrows) suggesting dedifferentiating nature of these lesions. B 131I-post-therapeutic WBS shows only bifocal iodine avid recurrent thyroid tissue at operative bed (arrow)

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