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Abstract #3979

Dynamic contrast-enhanced gastric MRI features are related to adverse histopathological status in advanced gastric cancer

Zi-Tong Sang1, Ya-Jun Hou1, Wei-Yue Xu1, Qiong Li1, Dominik Nickel2, Yi-Cheng Hsu3, and Xi-Sheng Liu1
1Department of Radiology, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China, 2MR Application Predevelopment, Siemens Healthineers AG, Erlangen, Germany, 3MR Research Collaboration Team, Siemens Healthineers Ltd, Shanghai, China

Synopsis

Keywords: Cancer, Cancer

Motivation: Distinct histopathological types are closely related to the prognosis of advanced gastric cancer. Adverse histopathological status (AHS) is linked to poor gastric cancer outcomes. Extra-dimensional volumetric interpolated breath-hold examination (XD-VIBE) offers high temporal and spatial resolution while allowing free breathing.

Goal(s): To improve the assessment of AHS, we explored the potential for XD-VIBE to improve DCE imaging.

Approach: We evaluated the associations of quantitative DCE MRI parameters (e.g., Ktrans, Ve, and Kep) with AHS.

Results: Using XD-VIBE, quantitative DCE MRI parameters allowed non-invasive assessment of AHS and helped to optimize treatment strategies for advanced gastric cancer.

Impact: In this single-institution study, quantitative DCE MRI features demonstrated promise as markers of AHS in advanced gastric cancer. These features could provide added prognostic value and identify patients who may benefit from adjuvant therapy.

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