PMC3883471_01
Ultrasonographic findings. Thyroid ultrasonogram demonstrates a 4.6 x 5.1 x 2.3 cm cystic dominant nodule in the lower portion of the right thyroid lobe and atrophy of the contralateral lobe.
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F1
A thyroid ultrasonogram demonstrated a 4.6 x 5.1 x 2.3 cm cystic dominant nodule in the lower portion of the right thyroid lobe and atrophy of the contralateral lobe (Figure 1).
Thyroid scan. 99 m-Technetium pertechnetate thyroid scan reveals heterogeneously increased uptake in the large nodule of the right thyroid gland with decreased uptake by the remaining thyroid gland, suggesting a functioning nodule.
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F2
A 99m-Technetium-pertechnetate thyroid scan demonstrated heterogeneous uptake in the large nodule of the right thyroid gland with no visibility in the remaining gland, suggesting a functioning toxic nodule (Figure 2).