From Hypocalcemia to Hypercalcemia—An Unusual Clinical Presentation of a Patient With Permanent Postsurgical Hypoparathyroidism

Hypercalcemia associated with lymphomas can be secondary to increased calcitriol [1,25(OH)2 vitamin D3], PTHrP, or osteolytic metastases. A case of calcitriol-mediated hypercalcemia secondary to non-Hodgkin lymphoma in a patient with postsurgical hypoparathyroidism is presented. Single patient managed at a tertiary health care facility in the United States. A 55-year-old white woman had a total thyroidectomy and radioiodine ablation for a 3.5-cm...