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Abstract #5118

Imaging phenotypes-based quantification of intratumor heterogeneity using APTw for predicting progression in lower grade glioma.

Yaoming Qu1, Xiaochan Ou2, Andong Ma1, and Zhibo Wen1
1Zhujiang Hospital of Southern Medical University, Guangzhou, China, 2The first people's hospital of Foshan, Foshan, China

Synopsis

Keywords: Tumors (Pre-Treatment), CEST & MT

Motivation: In the setting of lower grade glioma follow heterogeneity of prognosis, it is currently necessitating risk stratification.

Goal(s): To determine the predictive ability of amide proton transfer-weighted (APTw) imaging phenotypes in lower grade glioma.

Approach: The ability of APTw phenotypes to PFS was evaluated using biomarker threshold model, The predictive model was trained on 67%, and tested on the remainder.

Results: APTw imaging phenotypes can predict the progression free survival of lower grade gliomas.

Impact: The independent and additional prognostic value of imaging phenotypes in APTw suggests that APTw imaging phenotypes can provide a noninvasive characterization of tumor cellular, proliferation and invasiveness to augment personalized prognosis and treatment in patients with lower grade glioma.

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