@article{oai:nagoya.repo.nii.ac.jp:02001170, author = {Otake, Koki and Kondo, Yuichi and Tsukamoto, Kenji and Kurahashi, Tomomi and Sato, Katsunori and Ozawa, Hiroaki and Yokoi, Kazuki and Watanabe, Minemori}, issue = {2}, journal = {Nagoya Journal of Medical Science}, month = {May}, note = {Parathyroid carcinoma (PC) is a rare disease accounting for approximately 1% of primary hyperparathy-roidism cases. The preoperative differentiation of PC is critical because PC can occasionally metastasise and invade the local tissue. However, this is challenging in asymptomatic cases and when the tumour is adjacent to the thyroid. Herein, we report a rare case of PC without clinical symptoms. Fine needle aspiration was performed, despite being contraindicated in PC, and an intrathyroidal tumour was preoperatively suggested.}, pages = {367--374}, title = {Parathyroid carcinoma detected within the thyroid}, volume = {83}, year = {2021} }