Tertiary Hyperparathyroidism


  • after prolonged period of hypocalcaemia, treatment fails to lower the parathyroid hormone levels

Laboratory

  •  ↑ parathyroid hormone

  •  ↑ calcium

  •  ↑↑ alkaline phosphatase

    • due to prolonged osteomalacia

Causes

  • chronic renal failure

    • after transplant

  • vitamin D deficiency

    • after replacement started

 

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