Inclusion Criteria:  All adults >=18 years old) patients with primary hyperparathyroidism who will be undergoing parathyroid surgery All adult (>=18 years old) patients with persistent primary hyperparathyroidism after having undergone a failed prior parathyroid surgery who will be undergoing repeat parathyroid surgery  Exclusion Criteria:  Children and minors Pregnant women Patients with concurrent parathyroid and thyroid disease that require total thyroidectomy Patients with secondary or tertiary hyperparathyroidism