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Abstract #3489

Evaluation of Three 3.0T MRI DWI Sequences for T Staging in Gastric Cancer

Li Yanli1, Li Zhenhui1, Xu Yongzhou2, and Zhu Yi2
1Yunnan Cancer centre, kunming, China, 2Philips Healthcare, kunming, China

Synopsis

Keywords: fMRI Acquisition, fMRI Acquisition

Motivation: Accurate staging is critical for effective gastric cancer treatment planning. Conventional DWI (C-DWI) has limitations in image quality due to magnetic field inhomogeneity, which hampers precise T staging.

Goal(s): This study aims to compare the image quality and T staging accuracy of C-DWI, TSE-DWI, and Z-DWI sequences in MRI examinations of gastric cancer patients.

Approach: A prospective study plan to enroll 72 patients undergoing preoperative MRI with C-DWI, TSE-DWI, and Z-DWI sequences using a 3.0 T scanner. Quantitative metrics (ADC,SNR,CNR) and image quality were evaluated. T staging accuracy was assessed by comparing MRI results with postoperative pathological staging using ROC analysis.

Impact: This research enhances gastric cancer staging accuracy with advanced DWI sequences, potentially improving diagnostic precision and patient treatment outcomes.

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Keywords