Endocrine Abstracts

Background: Primary hyperparathyroidism (PHPT), caused by increased parathyroid hormone (PTH) secretion, leads to generalised disorder of bone metabolism characterised with hypercalcaemia and hypophosphatemia. Causes of PHPT include solitary parathyroid adenoma (80%), primary parathyroid hyperplasia (10–15%), and parathyroid carcinoma (1–2%). Other rare cause is double parathyroid adenomas (DPA) with frequency <1–2%, which can be sporadic or familial. DPA sh...