Hypocalcaemia consequent to transient or permanent hypoparathyroidism may follow thyroid surgery in CYP; monitoring of serum calcium and intact parathyroid hormone levels is advised in the peri- and post- operative periods (Astl et al. 2014, Freire et al. 2014, Patel et al. 2018). Here, PTH is linked to Hypocalcemia.