{Reference Type}: Journal Article {Title}: Primary Hyperparathyroidism: Part One: Evaluation. {Author}: Kurtom S;Carty SE; {Journal}: Surg Clin North Am {Volume}: 104 {Issue}: 4 {Year}: 2024 Aug {Factor}: 3.537 {DOI}: 10.1016/j.suc.2024.02.008 {Abstract}: Primary hyperparathyroidism (PHPT) is a disorder characterized by the autonomous overproduction of parathyroid hormone (PTH) that leads to hypercalcemia, multiple clinical sequelae, and heterogenous presentation. Whether PHPT is caused by a single benign adenoma (85%), multiglandular disease (15%), or parathyroid carcinoma (1%), surgery is the definitive treatment.