[Primary hyperparathyroidism with severe skeletal involvement in one patient with parathyroid carcinoma].

Parathyroid carcinoma is an uncommon cause of primary hyperparathyroidism; however, when this condition is severe, cancer must be suspected. We report on a 28-year-old male with severe hypercalcemia, cachexia, acute pancreatitis, urolithiasis, anemia and a severe skeletal involvement with multiple fractures. The patient had a 4-cm parathyroid tumor, that was surgically excised, along with the ipsilateral thyroid lobe. During the postoperative period, he had a severe and prolonged hungry bone syndrome, with a slow recovery of fractures, with functional and anatomical sequelae in the extremities. PTH levels were adequate for the serum calcium during the 16 months of follow-up.