FGF23 and hypercalcemia disease: There are several case reports of 1,25(OH)2D‐mediated hypercalcemia from sclerosing granulomas caused by cosmetic injection of silicone and/or mineral oil.1, 10, 11, 12 Patients with chronic kidney disease (CKD) and chronic hyperphosphatemia often have elevated circulating levels of FGF‐23.