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Abstract #1469

Differentiation of breast cancer subtypes using amide proton transfer-weighted imaging and DWI: the correlation with biological status

Mingzhe Xu1, Xuejun Chen1, Dongqiu Dan1, and Zhiwei Shen2
1The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China, 2Philips healthcare, Beijing, China

Synopsis

Keywords: fMRI Analysis, Breast, Cancer

Motivation: APTWI and DWI had still some controversies between their parameters and some biological status.

Goal(s): To assess the value of amide proton transfer-weighted imaging (APTWI) and diffusion weighted imaging (DWI) in differentiating biological subtypes and predicting the biological status of breast tumors.

Approach: The Kruskal-Wallis H test and Post-hoc pairwise comparison, Pearson's correlation analysis. Independent samples t-test. Receiver operating characteristic (ROC) analysis.

Results: MTRasym (3.5 ppm) was higher in breast tumours that were TN, ER-, PR-, and high-Ki-67. Compared to DWI, APTWI is more useful in predicting the biological status of breast cancers.

Impact: Compared to DWI, APTWI is more useful in predicting the biological status of breast cancers.

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