What are the less common causes of hypercalcemia?

Updated: Dec 03, 2020
  • 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 [11]
  • Increased bone resorption<
  • Mutations of the calcium-sensing receptor
  • Familial benign hypocalciuric hypercalcemia
  • Hypophosphatasia
  • Subcutaneous fat necrosis
  • Blue diaper syndrome
  • Dietary phosphate deficiency
  • Tuberculosis [12]

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