The Effect of Total Thyroidectomy on Trace Elements, Namely Zinc and Copper in Patients with Thyroid Diseases.

The aim of this study was to investigate the effect of total thyroidectomy on serum levels of trace elements, namely zinc and copper, in patients with thyroid diseases. In this cross-sectional study, 42 patients with thyroid diseases according to laboratory and fine needle aspiration (FNA) results divided into two groups, including differentiated thyroid cancer group (papillary and follicular) and non-cancerous group (MNG: Multinodular goiter). Before the surgery, blood sample was taken to investigate the zinc and copper levels.