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Abstract #1700

Magnetic Resonance Fingerprinting for Preoperative Differentiation of Soft and Hard Meningiomas

Rui Zhang1, Yan Bai1, Xianchang Zhang2, Qin Feng1, Mengke Wang1, Menghuan Zhang1, Mathias Nittka3, Gregor Koerzdoerfer3, Yusong Lin4, and Meiyun Wang1
1Department of Medical Imaging, Henan Provincial People’s Hospital & Zhengzhou University People’s Hospital;Henan Key Laboratory of Neurological Imaging, Zhengzhou, China, 2MR Collaboration, Siemens Healthcare Ltd., Beijing, China, 3MR Pre-development, Siemens Healthcare, Erlangen, Germany, 4Cooperative Innovation Center of Internet Healthcare & School of Software and Applied Technology, Zhengzhou University, Zhengzhou, China

Tumor consistency is an important factor in determining the resectability and surgical outcome of meningiomas. This study investigated the use of magnetic resonance fingerprinting (MRF) to distinguish between meningiomas characterized as soft or hard based on intraoperative patient records. Mann-Whitney U tests were used to compare longitudinal relaxation time (T1) and transverse relaxation time (T2) values derived from MRF. Soft meningiomas had significantly higher T1 and T2 values than hard meningiomas. Both T1 and T2 showed good diagnostic performance, suggesting that MRF may provide valuable information for preoperative differentiation of meningioma consistency and help guide the treatment plan.

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