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Abstract #5016

Predictive value of Intravoxel incoherent motion diffusion-weighted MR imaging in different expression states of HER2 in breast cancer

Siqi Zhao1, Lina Zhang1, Yuanfei Li1, Yueqi Wu1, Ning Ning1, Hongbing Liang1, Lizhi Xie2, Haonan Guan2, Qingwei Song1, and Ailian Liu1
1First Affiliated Hospital of Dalian Medical University, Dalian, China, 2GE Healthcare,MR Research China, Beijing, China

Synopsis

Keywords: fMRI Analysis, Breast, Breast cancer;HER2;IVIM

Motivation: This study aimed to predict HER2 expression states in breast cancer patients using IVIM imaging, offering valuable guidance for anti-HER2 treatment.

Goal(s): To categorize patients into HER2-positive, HER2-low, and HER2-zero groups, analyze IVIM parameters, and assess their relationship with clinicopathological features.

Approach: 67 breast cancer patients were retrospectively analyzed, with IVIM imaging and data collection. Statistical tests were employed to compare the groups.

Results: While no significant differences emerged in clinicopathological features, ADCfast values differed significantly. Both HER2-positive and HER2-low subgroups exhibited higher ADCfast values than HER2-zero cases. ADC, ADCslow, and f showed no significant variations.

Impact: This study demonstrates that ADCfast can predict HER2 expression noninvasively, assisting in personalized treatment planning and prognosis assessment for breast cancer patients pre-surgery, providing valuable insights for clinical decision-making.

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