Post-clip placement MRI following second-look US-guided core biopsy for suspicious lesions identified on breast MRI
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To evaluate whether the post-clip placement MRI following second-look ultrasound (US)-guided core biopsy is useful to confirm the adequate sampling of suspicious lesions identified on breast MRI.
Between 2014 and 2016, 31 consecutive women with 34 suspicious lesions that had not been identified on previous mammography or US were detected using MRI. Among them, 26 women with 29 lesions (mean size 1.5 cm, range 0.5–5.8 cm) found by second-look US underwent US-guided biopsy, subsequent clip insertion and post-clip placement MRI. Five women with five lesions that were not found by second-look US underwent MRI-guided biopsy. The technical success rate and lesion characteristics were described.
The technical success rate was 96.6% (28/29). One failure case was a benign, 1.1-cm non-mass enhancement. Of the 28 success cases, 23 (82.1%) were masses and 5 (17.9%) were non-mass enhancements; 17 (60.7%) were benign, 4 (14.3%) were high-risk and 7 (25.0%) were malignant lesions. The technical success rate was 100% (28/28) for masses and 83.3% (5/6) for non-mass enhancements.
Post-clip placement MRI following US-guided biopsy is useful in confirming the adequate sampling of lesions identified on MRI. This method could be an alternative to MRI-guided biopsy for lesions visible on US.
• Post-clip MRI is useful for confirming adequate sampling of US-guided biopsy.
• Post-clip MRI following US-guided biopsy revealed a 96.6 % technical success rate.
• One technical failure case was a benign, 1.1-cm non-mass enhancement.
• The technical success rate of US-guided biopsy for non-mass enhancements was 83.3 %.
KeywordsBreast cancer Magnetic resonance imaging Image-guided biopsy Ultrasonography Clips
Compliance with ethical standards
The scientific guarantor of this publication is Nariya Cho.
Conflict of interest
The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
This study has received funding by a grant (no. 04-2015-0240) from the Seoul National University Hospital Research Fund.
Statistics and biometry
No complex statistical methods were necessary for this paper.
Written informed consent was waived by the institutional review board.
Institutional review board approval was obtained.
• performed at one institution
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