Calcific Uremic Arteriolopathy in a Patient on Hemodialysis

To the Editor,A 53-year-old man with end-stage renal disease (ESRD) due to autosomal dominant polycystic kidney disease started treatment with hemodialysis in 2001. He had hyper­tension and did not have any other co­morbidities. In 2007, the patient developed uncontrollable secondary hyperparathyroi­dism. Activated vitamin D was relatively contra-indicated due to a persistently ele­vated serum calcium phosphate product (4.90-7.90 mmol 2 /l 2 ).