Nickan Research Institute Journal of Parathyroid Disease 2345-6558 10 1 2022 01 01 Evaluation of radiation side effects on thyroid function e9145 e9145 10.34172/jpd.2022.9145 EN Kolsoum Teimouri https://orcid.org/0000-0001-7379-0574 Samaneh Pakravan https://orcid.org/0000-0003-1033-6870 Elham Rahmatinia https://orcid.org/0000-0003-1196-2988 Kamran Azadbakht https://orcid.org/0000-0003-3790-2908 Journal Article 10.34172/jpd.2022.9145 2022 06 28 2022 07 30 The thyroid gland is a crucial component of the body’s glandular system and metabolism, which is exposed to unnecessary radiation as an organ at risk in radiation therapy to the head, neck, and chest. Radiation can lead to thyroid dysfunction such as hypothyroidism and thyroid cancer.