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KMID : 1103720220830040876
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Journal of the Korean Society of Radiology
2022 Volume.83 No. 4 p.876 ~ p.886
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Clinical Utility of MicroPure US Imaging for Breast Microcalcifications
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Lee Hee-Rin
Kim Sung-Hun
Kang Bong-Joo
Lee Jeong-Min
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Abstract
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Purpose : To evaluate the performance of MicroPure US imaging to detect and characterize microcalcifications.
Materials and Methods : A total of 171 lesions with suspicious microcalcifications seen on mammography and B-mode US were included and simultaneously evaluated using MicroPure US imaging. The size of microcalcifications was divided into small (punctate, amorphous, fine pleomorphic, and fine linear) and large (coarse heterogeneous), and the extent was divided into narrow (grouped) and wide (others). MicroPure US imaging visibility was divided into four types based on the number of microcalcifications on the two images: B > M (more on B-mode), B = M (similar), B < M (more on MicroPure), and negative. Triple pairwise comparison was used to evaluate the imaging features according to the MicroPure US imaging visibility.
Results : Among the 171 lesions examined, 157 lesions (91.8%) were detected by MicroPure US imaging. The proportion of Breast Imaging Reporting and Data System (BI-RADS) category 4A was significantly higher in the MicroPure positive group, and that of category 4B was significantly higher in the MicroPure negative group (p = 0.035). The other imaging features did not differ. Among the positive MicroPure subgroups, all features showed no significant difference.
Conclusion : MicroPure US imaging demonstrated 91.8% positivity in detecting microcalcifications on B-mode US. MicroPure US imaging visibility correlated with the BI-RADS category of microcalcifications.
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KEYWORD
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Breast, Calcinosis, Ultrasonography, Mammography
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