ESPE Abstracts

Background: Disorders of the calcium sensing receptor (CaSR) cause hyper- and hypo- calcemia, depending on the location and type of mutation. Familial hypocalciuric hypercalcemia is a benign disorder in which calcium levels are slightly elevated in the presence of slightly elevated parathyroid hormone (PTH). Neonatal severe hyperparathyroidism (NSHPT) is a rare life-threatening disorder in which there are high levels of calcium accompanied by high levels of pa...