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Insights into Imaging
Fig. 3 | Insights into Imaging

Fig. 3

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

Fig. 3

46-Year-old male with 18 mm obliquely oriented PTC in left lobe of thyroid gland (arrow). The image depicts the correct three-axes technique to measure thyroid nodules described in ACR TI-RADS. Distance B illustrates the maximum dimension of the PTC on the transverse image, while distance C represents the maximum dimension perpendicular to distance B plane on the image. Note that distance B and distance C on the image are measured in the axes of the nodule and not that of the thyroid gland. Distance A depicts the maximum longitudinal image on the sagittal image

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