Figure 2. (a) A 70-year-old woman with follicular thyroid carcinoma. Cervical ultrasound indicated regional lymph node metastases. To confirm this finding and to determine whether there were additional lesions, FDG PET was performed which showed hot spots in the neck, upper mediastinum, the sternum and 12th thoracic vertebra (arrow). (b) Coronal slice in a 81-year-old woman showing lymph node metastases in the neck as well as mediastinum.

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