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Abstract #3855

Multiparametric Simultaneous Hybrid 18F-FDG PET/MRI Incorporating Intratumoral and Peritumoral Regions for Grading of Glioma

Ping Liu1, Yuping Zeng2, Wanyi Zhen1, and Guihua Jiang1
1Department of Medical Imaging,, Guangdong Second Provincial General Hospital, Guangzhou, China, 2Guangzhou Universal Medical Imaging Diagnostic Center, Guangzhou, China

Synopsis

Keywords: Tumors (Pre-Treatment), Brain, Glioma, PET/MRI

Motivation: The biological behavior and prognosis between low- and high-grade gliomas (HGG) are different, it is important to preoperatively judge the grading in clinical practice.

Goal(s): Multiple parameters derived from hybrid 18F-FDG PET/MRI of the solid component and peritumoral zone (PTZ) can potentially improve the accuracy of glioma grading.

Approach: We employed multiparametric simultaneous hybrid 18F-FDG PET/MRI including PET, ASL, and DWI from the solid component and PTZ of glioma to differentiate HGG from LGG.

Results: The combination of multiple parameters from hybrid PET/MRI in tumor and PBZ can provide better diagnostic efficacy than a single parameter alone.

Impact: Incorporating multiple tumoral regions into multiparameter from simultaneous 18F-FDG PET/MRI can optimize the workflow efficiency for glioma grading, and aid treatment decision-making to offer appropriate, patient-tailored precision medicine, and reduce the risk of unnecessary or inappropriate treatments.

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