Mean apparent propagator (MAP)-MRI establishes a robust analytical framework based on the random motion distribution of natural water molecules. This study investigated the application of quantitative parameters derived from MAP-MRI in patients with breast cancer and determined whether MAP-MRI can be adopted as a better method than apparent diffusion coefficient (ADC) from conventional DWI to preoperative diagnosis tumor-stromal ratio. The results suggested that quantitative assessment with MAP-MRI showed superior predictive performance than conventional DWI for preoperative diagnosis of tumor-stromal ratio in patients with breast cancer.
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