PMC5991266_01
Whole-body bone scan reveals increase uptake in T8-T9, left femur, left knee, and left ankle
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F1
T8-T9 and ankle and left knee areas [Figure 1]. Two months later, the patient had deep-venous thrombosis (DVT) of the left leg, and 1 month after the DVT, he had an atrial fibrillation rhythm that was detected after thyroid tests that revealed T3-thyrotoxicosis.
The thyroid scintigraphy with technetium-99m showed a large cold nodule in the left lobe of the thyroid gland
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F2
The thyroid scintigraphy with technetium-99m showed a large cold nodule in the left lobe of the thyroid gland [Figure 2]. The patient was treated with methimazole, and after endocrinology consult and performing fine-needle aspiration from the left lobe of the thyroid nodule, pathology report showed follicular neoplasm.
Follicular thyroid carcinoma invasion to the tumor capsule vessels
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F3
In limited areas (<4 locations), evidence of malignant cell invasion of FTC, to the tumor capsule and vessels, was seen, and follicular carcinoma was diagnosed [Figure 3], and the patient was introduced to receive radioactive iodine.
Whole-body scan after 150 micg of iodine 131, intake was indicative of extensive bone metastases
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F4
The latest whole- body scan after radioactive iodine intake was indicative of extensive bone metastases [Figure 4].