Grouped calcifications

Last revised by Dr Daniel J Bell on 14 Jan 2020

The term grouped calcifications is used in mammography when relatively few breast microcalcifications reside within a small area. There must be at least five calcifications present within 1 cm of each other 3. At the most, it may refer to a larger number of calcifications present within 2 cm of each other 3.

Terminology

An outdated synonym is calcific cluster or clustered calcification. The term 'grouped' is preferred in the latest BI-RADS manual 3.

Pathology

Etiology

Homogeneous, smooth clustered microcalcifications can be due to 1:

Pleomorphic clustered microcalcifications can be due to:

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Cases and figures

  • Case 1: DCIS
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