What are the less common causes of hypercalcemia?

Updated: Oct 03, 2018
  • Author: Mahendra Agraharkar, MD, MBBS, FACP, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Other causes related to particular mechanisms are as follows:

  • Increased intestinal calcium absorption

  • Idiopathic infantile hypercalcemia (Williams syndrome)

  • Granulomatous disorders (eg, sarcoidosis)

  • Decreased renal calcium excretion

  • Familial hypocalciuric hypercalcemia [8]

  • Increased bone resorption

  • Mutations of the calcium-sensing receptor

  • Familial benign hypocalciuric hypercalcemia

  • Hypophosphatasia

  • Subcutaneous fat necrosis

  • Blue diaper syndrome

  • Dietary phosphate deficiency

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