RT Journal Article SR Electronic T1 Hyperparathyroidism in chronic kidney disease: complexities within the commonplace JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 333 OP 337 DO 10.7861/clinmedicine.12-4-333 VO 12 IS 4 A1 Cai, Michael M A1 McMahon, Lawrence P A1 Smith, Edward R A1 Williams, David S A1 Holt, Stephen G YR 2012 UL http://www.rcpjournals.org/content/12/4/333.abstract AB Secondary hyperparathyroidism in patients with chronic kidney disease (CKD) is common and usually caused by associated metabolic abnormalities, in particular, hypocalcaemia and hyperphosphataemia. Nevertheless, other causes of hyperparathyroidism can exist concurrently with CKD, challenging diagnostic interpretation and therapeutic intervention. We present four cases of hyperparathyroidism in patients with CKD that highlight some of these dilemmas.