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Abstract #5119

Different Tracer Kinetic Models in predicting key molecular marker in adult diffuse Gliomas

Zhengyang Zhu1, Zujun Hou 2, Jianan Zhou1, Huiquan Yang1, Chuanshuai Tian1, Xin Zhang1, and Bing Zhang1
1Department of Radiology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China, 2Jiangsu Key Laboratory of Medical Optics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, China

Synopsis

Keywords: Tumors (Pre-Treatment), Tumor, DCE-MRI, IDH, Glioma, P53, CDKN2A/B

Motivation: IDH, P53 and CDKN2A/2B are key molecular markers for adult diffuse gliomas.

Goal(s): This study aimed to compare values of conventional and advanced tracer kinetic models based on dynamic contrast enhanced (DCE)-MRI in predicting IDH, P53 and CDKN2A/B status in glioma patinets.

Approach: Patients diagnosed as adult diffuse gliomas were examined using dynamic contrast-enhanced MRI. Imaging data were analyzed using tracer kinetic models.

Results: Extofts model attained best performance in predicting IDH mutation.ATH model attained best performance in predicting P53 mutation. DP model attained best performance in predicting CDKN2A/B homozygous deletion.

Impact: Different Tracer Kinetic Models have illustrated excellent performance in predicting different molecular markers in glioma patients.

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