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CKD-mineral bone disorder — PARA MCQ

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HardGeneral Medicine - RenalCKD-mineral bone disorderPARA

A 67-year-old man with chronic kidney disease has bone pain and pruritus. Calcium is low, phosphate is high and parathyroid hormone is raised. What is the most likely cause?

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Correct answer: D — Secondary hyperparathyroidism due to chronic kidney disease

CKD reduces phosphate excretion and vitamin D activation, causing hypocalcaemia and compensatory secondary hyperparathyroidism.

Reference: NICE NG203: Chronic kidney disease