PTH and parathyroid gland adenoma: On the second Tc-99m MIBI scan conducted after total thyroidectomy, a parathyroid adenoma was eventually detected in the right lower area, enabling the subsequent appropriate treatment, a right lower parathyroidectomy.<h4>Outcomes</h4>Thirteen days after the parathyroidectomy, serum levels of total calcium and parathyroid hormone returned to normal.