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SPECT-CT images of Tc-99m pertechnetate scan. The scan localized two distinct pertechnetate-avid foci to enhancing, hyperdense soft tissues measuring 9 × 9 mm at the base of tongue (white arrow) and other measuring 8 × 7 mm in submandibular-prehyoid region (red arrow). Considering pertechnetate avidity and enhancement on noncontrast CT, a diagnosis of dual ectopic thyroid was made.
