LEGENDS
[Figure 1] Pre-operative frontal view of midline neck mass.
[Figure 2] Neck CT scan with large midline neck mass, anterior to thyroid cartilage.
[Figure 3] Neck CT scan, with a thyroid nodule at the right thyroid lobe.
[Figure 4] Surgical procedure: Right lobe pulled to the medial side, so that the right common carotid artery can be seen).
[Figure 5] Surgical procedure: Rright lateral view of the pyramidal lobe nodule between the hyoid bone and the thyroid gland.
[Figure 6] Surgical procedure: Final operative specimen with the largest nodule in the pyramidal lobe in the upper center of image and the rest of the thyroid gland centered below with the reference of the right lobe nodule with long silk stitch.
[Figure 7] Histological slice at the level of the nodular lesion in the pyramidal lobe showing a classic pattern papillary thyroid carcinoma.
[Figure 8] Higher magnification of histological slice (figure 7), with more evident extrathyroidal extension, adjacent muscle invasion and lymphovascular invasion of PTC.
[Table 1] Upper neck papillary thyroid cancer (UPTC) clinical entity with key histologic features for final pathologic diagnosis. (adapted from Zizic M et al [8]).