Chronically Hypocalcemic Patient with Hypercalcemia

A 19-year-old man with DiGeorge syndrome associated with hypoparathyroidism presented with hypercalcemia. He was known to have poor compliance with alfacalcidol and calcium carbonate treatment. Laboratory values are shown in Table 1. Aggressive intravenous hydration with simultaneous administration of calcitonin and bisphosphonates were initiated to lower plasma calcium …