Rationale and Objectives
To compare abbreviated MRI with mammography and US for screening in women with a personal
history of breast cancer. In addition, the first and subsequent rounds of abbreviated
MRI were compared.
Materials and Methods
The Institutional Review Board approved this retrospective study. Nine hundred and
thirty-nine abbreviated MRI scans of 710 women with a personal history of breast cancer
were included (mean age, 54.1±9.4 years). The diagnostic performances of abbreviated
MRI, mammography, and US for the detection of the second breast cancer were compared.
When more than one round of abbreviated MRI was performed, we compared the scans of
the first and subsequent rounds.
Results
There were 15 (2.1%) cases of second breast cancer. Thirty-nine of the 939 abbreviated
MRI scans were diagnosed as positive; of them, 11 were diagnosed as breast cancer,
with a PPV2 of 28.2% (US, 19.0%; mammography, 28.6%). The AUC, sensitivity, and cancer detection
rate (per 1000) were the highest for abbreviated MRI (0.829, 68.8% and 11.7) (US:
0.616, 25.0%, and 4.3; mammography: 0.560, 12.5%, and 2.1, respectively). Two hundred
women underwent multiple rounds of abbreviated MRI. AUC, PPV2, and the cancer detection rates were higher during the subsequent rounds (0.987,
45.5, and 21.8) than during the first round (0.605, 11.1, and 5).
Conclusion
Abbreviated MRI for women with a personal history of breast cancer was more sensitive
for the diagnosis of second breast cancer than US or mammography. In addition, subsequent
rounds of MRI showed better performance than the first round.
Key Words
Abbreviations:
BCS (breast conserving surgery), MIP (maximum intensity projection), BI-RADS (Breast Imaging Reporting and Data System), IDC (invasive ductal carcinoma), DCIS (ductal carcinoma in situ)To read this article in full you will need to make a payment
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Article info
Publication history
Published online: June 23, 2021
Accepted:
May 11,
2021
Received in revised form:
May 10,
2021
Received:
February 4,
2021
Identification
Copyright
© 2021 The Association of University Radiologists. Published by Elsevier Inc. All rights reserved.
