Magnetic Resonance Elastography (MRE) has been considered a promising novel imaging modality in the quantification of viscoelastic properties of breast tumours. The purpose of this study was to evaluate reproducibility and repeatability of a newly developed MRE breast system and investigate whether aberrant biomechanical properties correlate with tumour histopathology. MRE was conducted on 20 healthy volunteers and 15 breast cancer patients. Malignant lesions demonstrated an increase in viscoelasticity when compared to adipose or fibroglandular tissue. While lesions with lymphovascular invasion demonstrated a tendency towards more elevated viscoelasticity than those without lymphovascular invasion, histological grades clearly did not correlate with biomechanics.
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