PMC6304514_01
PET CT showing left lobe mass.
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Thyroid ultrasound showed no evidence of residual thyroid tissue or local cancer recurrence. PET-CT showed a 3.9 cm x 3.7 cm x 5.2 cm FDG avid left lower lobe mass and bilateral indeterminate sub-centimeter non-FDG avid masses (Figure 1). Tg measured by Beckman immunometric assay was undetectable with negative TgAb.
Well differentiated thyroid cancer with colloid.
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Final pathology revealed metastatic carcinoma of thyroid with a mixture of well-differentiated FTC (70%) (Figure 2) and anaplastic thyroid carcinoma (ATC) (Figure 3) components.
Poorly differentiated thyroid cancer.
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Final pathology revealed metastatic carcinoma of thyroid with a mixture of well-differentiated FTC (70%) (Figure 2) and anaplastic thyroid carcinoma (ATC) (Figure 3) components.