INTRODUCTION Primary hyperparathyroidism (pHPT) is most frequently caused by a solitary adenoma. Surgical intervention has a high cure rate, particularly when associated with a fast intraoperative intact parathyroid hormone (IOPTH) assay. Aim: to evaluate the performance and accuracy when applying this technique. METHODS we conducted a retrospective study of the last 20 patients with pHPT (mean age 59, range 24...