Keywords: Breast, Radiomics
Motivation: To investigate the value of an MRI-based radiomics model in evaluating the pathological complete response status of HER2-positive breast cancer after neoadjuvant therapy.
Goal(s): Is the MRI-based radiomics model better than experienced radiologists for diagnosing pathologic complete response in patients with HER2-positive breast cancer after neoadjuvant therapy.
Approach: Two experienced radiologists visually assessed the pCR status on post-neoadjuvant therapy breast MRI, and their diagnostic performance was compared with the MRI radiomics model.
Results: An MRI-based radiomics model showed better classification performance than experienced radiologists for diagnosing pathologic complete response in patients with HER2-positive breast cancer after neoadjuvant therapy.
Impact: MRI-based radiomics models may serve as a noninvasive predictor of pathological complete response. Accurate prediction of pCR is of great significance for timely termination of neoadjuvant therapy to avoid toxic and side-effects, and even for future exemption of breast surgery.
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