“…The lung is the most common metastatic site of thyroid carcinoma, followed by the bone [11, 21, 45, 47]. Skull metastasis of thyroid carcinoma is rare, with a small number of reported cases [2–4, 6–8, 12, 19–24, 26–28, 30, 32–35, 38–40, 42, 44, 45, 49–51, 53, 54, 56, 57, 60, 63–65, 68–70, 73, 77, 78]. The largest series of skull metastasis from thyroid carcinoma reported a frequency of only 2.5% among 473 patients [45].…”