The Case | Hypercalcemia in a 60-year-old male

Hypercalcemia (3.0mmol/l), elevated parathyroid hormone concentrations (PTH, C-assay, 49pg/ml), and hypercalciuria (10.0mmol/24h) were found in 1983 in a 31-year-old male, who at that time presented with kidney stones and moderate nephrocalcinosis. Given the combination of high serum calcium along with elevated PTH, primary hyperparathyroidism was diagnosed, and the patient underwent partial parathyroidectomy in 1984 (histology not available). Despite this surgical intervention ….