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Review
. 2020 Oct 12:12:9953-9964.
doi: 10.2147/CMAR.S252801. eCollection 2020.

Breast Cancer Brain Metastasis: The Potential Role of MRI Beyond Current Clinical Applications

Andria Hadjipanteli  1   2 , Paul Doolan  3 , Efthyvoulos Kyriacou  4 , Anastasia Constantinidou  1   2
Affiliations
Review

Breast Cancer Brain Metastasis: The Potential Role of MRI Beyond Current Clinical Applications

Andria Hadjipanteli et al. Cancer Manag Res. .

Abstract

Purpose: Breast cancer brain metastasis (BCBM) represents a major clinical challenge. Can MRI help in advancements in the management of BCBM? This review discusses MRI developments and the corresponding potential advancements in BCBM management.

Methods: An exhaustive literature search was undertaken to identify studies which look into the potential of MRI in BCBM management. Seven hundred and eighty-four studies published from September 1984 to May 2020 were identified. Three topics are covered where MRI is not clinically established yet: 1) the prognosis of BCBM; 2) the screening of BC patients for BCBM development, and 3) the assessment of imaging features correlated to BC subtype.

Results: Thirty-six studies were considered eligible for the purposes of this review. On-going progress is made with the identification of different BCBM characteristics and MRI metrics that might be related to prognosis. Progress has been made with the identification of different BCBM characteristics, including BCBM location, degree of edema, white matter disruption, tumor edge sharpness, and temporal muscle thickness. A more accurate prediction of prognosis could lead to more suitable patient management and treatment. The use of MRI in BCBM screening of the high-risk breast cancer population remains a controversial subject. To date, there are no results from clinical trials; however, there is a rising number of relatively small studies that show concern on this subject and support BCBM screening. It is important to oncologists to be able to assess the tumor subtype non-invasively. MRI features, which have shown some correlation with subtype, include the number of tumors, location, and their distribution in the brain. Advanced tools and metrics have been produced to carry out radiological characteristics analysis on MRI images. Assessing MRI features in more detail could provide a more personalized management of patients.

Conclusion: Developments in the use of MRI have the potential to improve BCBM management.

Keywords: breast cancer brain metastasis; breast cancer management; magnetic resonance imaging.

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Conflict of interest statement

The authors report no conflicts of interest for this work.

Figures

Figure 1
Figure 1
The strategy and scope of this review, the number of identified articles, and the number considered eligible for inclusion in this work. Boxes in red show the inclusion criteria.
See this image and copyright information in PMC

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