Recurrent calcinosis in consecutively transplanted kidney grafts.

Repeated renal transplant calcinosis is a rare event. We report a young woman in whom repeated calcinosis was observed in two consecutive renal transplants. Persistent secondary hyperparathyoidism and hyperphosphatemia due to impaired renal function were assumed as the pathogenic factors for calcinosis. Sub-total parathyroidectomy performed shortly after the third transplantation and good function of the renal graft have prevented calcinosis in the third graft for more than five years.