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Abstract #2884

Prediction of overall survival for astrocytoma with whole-tumor radiomics analysis based on diffusion kurtosis imaging

Yan Tan1, Dawei Tian1, Wenqiao Zheng1, Xiaochun Wang1, and Hui Zhang1
1Department of Radiology, First Hospital of Shanxi Medical University, Taiyuan, China

Synopsis

Keywords: Radiomics, Diffusion/other diffusion imaging techniquesFor investigating the usefulness of radiomics signature based on diffusion kurtosis imaging in overall survival prediction for astrocytoma, radiomics features extracted from whole-tumor on MK and MD images were selected to construct radiomics signature. Then the radiomics signature was integrated with clinical-genetic risk factors to develop a combined model, which was represented as nomogram. The results showed that the radiomics signature have offered clinically relevant prognostic information for astrocytoma and further stratified patients into different risk groups. The combined model achieved the highest predictive performance and facilitated clinical decision-making by nomogram, demonstrating the incremental value of radiomics signature.

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