Medical Dictionary


noun mi·cro·cal·ci·fi·ca·tion \-ˌkal-sə-fə-ˈkā-shən\

Medical Definition of microcalcification

  1. :  a tiny abnormal deposit of calcium salts typically in the breast that is often benign but may be an indicator of breast cancer especially when appearing in compact clusters or a linear or branching pattern A mammogram detects microcalcifications, which are tiny specks of calcium in the breast that may indicate cancer even before actual tumors form.—Andrew Weil, Self Healing, February 2008

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