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Insights into Imaging
Fig. 6 | Insights into Imaging

Fig. 6

From: Ultrasound in active surveillance for low-risk papillary thyroid cancer: imaging considerations in case selection and disease surveillance

Fig. 6

61-Year-old male patient. a (Transverse image) and b (sagittal image) show the PTC (arrow, within calipers) in right isthmus of thyroid gland. The nodule shows dystrophic coarse calcification with strong acoustic shadowing which limits assessment of posterior margin of the nodule. Not only does this preclude accurate measurement of the nodule at baseline or at follow-up, the angle of contact of nodule with trachea also cannot be assessed. In addition, the nodule shows extrathyroid extension anteriorly into strap muscles with loss of perithyroid echogenic line anteriorly. The patient was not offered AS and underwent surgery

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