Recalcitrant hypercalcemia in a dialysis patient: Case report, literature review, and proposed management algorithm

A 62-year-old male on maintenance hemodialysis, who was bedbound after a cerebrovascular accident, developed progressive hypercalcemia during a prolonged hospital stay. The etiology of hypercalcemia was attributed to immobility after extensive workup including imaging for malignancy or granulomatous disease, parathyroid hormone levels, parathyroid hormone related peptide, and vitamin D levels were unyielding. Low calcium dialysate would transiently reduce serum calcium levels, but levels would rebound in the interdialytic period. In view of recalcitrant hypercalcemia presenting with crisis, denosumab was successfully used to lower serum calcium. We review the literature and propose a management algorithm for severe hypercalcemia in a patient on dialysis.