Abstract
The incidence of hyperparathyroidism has slowly increased recently with routine measurement of serum calcium and increasing awareness of the disease by the public. Despite the availability of expert surgeons and preoperative imaging investigations, some patients are re-operated for persistent or recurrent hyperparathyroidism. The main cause of re-operation is the presence of ectopic parathyroid gland or supernumerary parathyroid gland. Supernumerary parathyroid glands are more frequently described in the secondary hyperparathyroidism than in the primary hyperparathyroidism cases, especially in surgery for renal hyperparathytroidism. The intraoperative measurement of intact parathyroid hormone (iPTH) provides the surgeon with a quantitative test that predicts the postoperative serum calcium level and can justify early closure or further exploration for hyperfunctioning parathyroid gland. We present a case of parathyroidectomy of supernumerary parathyroid glands by monitoring intraoperative iPTH in patients with secondary hyperparathyroidism. Korean J Otorhinolaryngol-Head Neck Surg 2010;53:190-3 Key WordsZZParathyroid gland·Parathyroid hormone·Secondary hyperparathyroidism.
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