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Breast MRI biopsy cancellation due to lesion nonvisualization
Emily B Ambinder1, Kelly S Myers1, Lisa A Mullen1
1Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA.
When a suspicious breast MRI finding disappears before biopsy, follow-up MRI is recommended. This approach is supported by a low malignancy rate in canceled MRI-guided breast biopsy cases.
Area of Science:
- Radiology
- Oncology
- Breast Imaging
Background:
- Clinical dilemma of nonvisualized suspicious breast MRI findings during biopsy.
- MRI-guided biopsies are crucial for suspicious lesions.
Purpose of the Study:
- To evaluate the outcomes of canceled MRI-guided breast biopsies due to nonvisualization.
- To assess the malignancy rate in such cases and inform follow-up recommendations.
Main Methods:
- Retrospective review of canceled MRI-guided biopsies from 6/1/2009 to 9/20/2019.
- Analysis of cancellation rates and subsequent patient management.
Main Results:
- Cancellation rate of 6.9% (72/1051) for MRI-guided biopsies.
- One case (2.1% malignancy rate) revealed ductal carcinoma in situ (DCIS) after mastectomy following a canceled biopsy.
- Low overall malignancy detection rate in canceled procedures.
Conclusions:
- Current practice of recommending 6-month follow-up MRI after a canceled MRI-guided biopsy for nonvisualized lesions is supported.
- Nonvisualization does not always equate to benignancy, necessitating careful follow-up.
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