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Abstract #0170

Evaluating Microstructures in Endometrial Cancer Using Diffusion-Relaxation Correlated Spectroscopic Imaging

Yongming Dai1, Dongmei Wu2, Tianshu Yang3, Wentao Hu4, Peng Hu5, Hui Liu6, and Gaofeng Shi6
1School of Biomedical Engineering & State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China, 2Shanghai Key Laboratory of Magnetic Resonance, East China Normal University, Shanghai, China, 3Department of Radiology, Renji hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China, 4Renji hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China, 5School of Biomedical Engineering & State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, Christmas Island, 6Department of Radiology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China, Shijiazhuang, China

Synopsis

Keywords: Uterus, Diffusion Modeling

Motivation: Conventional MRI techniques often fail to capture the detailed microstructural complexities of Endometrial Cancer (EC).

Goal(s): To evaluate the efficacy of diffusion relaxation correlated spectroscopic imaging (DR-CSI) in assessing EC and to compare its diagnostic performance with conventional MRI techniques.

Approach: We enrolled 62 patients with histopathologically confirmed EC. DR-CSI data were analyzed to generate a four-compartment D-T2 spectra, yielding corresponding volume fraction metrics. The relationships between imaging parameters and histopathologic results were evaluated.

Results: DR-CSI derived parameters closely associated with histopathological status including histological grades (VII, VIII); lymph node metastasis status (VFIV), and myometrial invasion statuses (VFI and ADC).

Impact: DR-CSI offers a novel and effective method for quantifying microstructural compartments in EC, providing superior diagnostic accuracy compared to conventional techniques. The ability to capture detailed microstructural information from DR-CSI metrics holds promise for offering deeper insights into tumor heterogeneity.

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