Table 1. Mammographic features of 43 suspicious microcalcifications.
Mammographic feature | Pathology | p-value | |
---|---|---|---|
Benign (n = 18) No. (%) | Malignant (n = 25) No. (%) | ||
Breast densities | 0.407 | ||
a, b | 5 (33.3) | 10 (66.7) | |
c, d | 13 (46.4) | 15 (53.6) | |
Lesion extent (cm)* | 1.3 (0.5–6.6) | 2.0 (0.6–10.9) | 0.232 |
Shape | <0.001 | ||
Punctate/round | 4 (80.0) | 1 (20.0) | |
Amorphous | 11 (68.7) | 5 (31.3) | |
Coarse heterogeneous | 2 (66.7) | 1 (33.3) | |
Fine pleomorphic, linear, linear-branching | 1 (5.3) | 18 (94.7) | |
Distribution | 0.234 | ||
Regional | 4 (40.0) | 6 (60.0) | |
Clustered | 12 (52.2) | 11 (47.8) | |
Linear | 0 | 0 | |
Segmental | 2 (20.0) | 8 (80.0) | |
Associated findings | < 0.001 | ||
None | 16 (66.7) | 8 (33.3) | |
Mass | 2 (11.1) | 16 (88.9) | |
Architectural distortion | 0 | 1 (100.0) | |
BI-RADS categories | <0.001 | ||
4a | 14 (87.5) | 2 (12.5) | |
4b | 4 (33.3) | 8 (66.7) | |
4c | 0 | 8 (100.0) | |
5 | 0 | 7 (100.0) |
BI-RADS=Breast Imaging Reporting and Data System.
*Median (range).