Calcinosis cutis

Last revised by Yahya Baba on 19 Nov 2020

Calcinosis cutis is the term used for the deposition of calcium salts in the skin and subcutaneous tissues.


It is classified according to etiology as 1:

  • dystrophic (most common): characterized by normal serum calcium and phosphorus, an underlying disease process induces tissue damage
  • metastatic: abnormal serum calcium and phosphorus
  • iatrogenic
  • idiopathic

It can be classified according to the pattern of distribution as 1-3:

Differential diagnosis

Consider all causes of soft tissue calcification.

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