Calcinosis cutis

Last revised by Ashesh Ishwarlal Ranchod on 1 Apr 2024

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

Pathology

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 including osteoma cutis.

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