Endocrine Abstracts

Background: Normocalcaemic primary hyperparathyroidism (NPHPT) can be considered as an early biochemical manifestation of hypercalcaemic primary hyperparathyroidism (PHPT). Vitamin D repletion and exclusion of other conditions is recommended before diagnosing NPHPT. It is often challenging to distinguish Vitamin D deficiency associated secondary hyperparathyroidism (SHPT) from NPHPT and the two conditions may coexist. A parathyroid function (PF) index [(Parathyroid hormone (PT...