Possible causes of posttransplantation hypercalcemia include persistent hyp
erparathyroidism, resorption of extraskeletal mineralizations, hypophosphat
emia, vitamin D toxicosis, preoperative dialysis, a decrease in the dosage
of corticosteroids being administered, and a parathyroid adenoma.
Treatment of posttransplantation hypercalcemia is controversial; however, s
urgery should be considered ii the condition is a result of a parathyroid a
denoma.