e-CASES: Right upper medial ductal carcinoma in situ


Patient not monitored.
Discovery of ACR 5 micro-calcifications in the right breast.
Referred for macro-biopsies.


Linear, branching micro-calcifications, of segmental distribution, triangular with the tip pointed towards the nipple: this distribution was clearly visible with tomography, particularly when increasingly thick sections were used (3 to 4 mm).


Right upper medial ductal carcinoma in situ


Tomosynthesis is of no apparent use in the morphological analysis of micro-calcifications (enlarged images are the gold standard). On the other hand, studying their distribution is made easier by the analysis in sections, particularly in dense breast tissue.

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