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Sentinel lymph node (LN) biopsy facilitated by magnetic nanoparticles (MNP) is introduced for breast cancer patients eligible for breast conserving surgery. As m1etastatic depositions potentially introduce changes in heterogeneity of MNP-enhanced MRI, a portable low-field MRI scanner can be used for ex vivo perioperative LN staging. Therefore, we assessed the changes in T1w, T2w and STIR images due to iron deposition in LN. 2Clinically relevant LN segments, such as fat and iron depositions, identified in the pathology images, were also observable in MR scans.
Christenhusz et al. (Wed,) studied this question.