In daily clinical practice, preoperative grading of meningioma is particularly important for selecting the best treatment strategy. Our hypothesis is that a combination of T1 mapping and diffusion weighted imaging (DWI) based on histogram analysis would be useful for differentiating between low-grade and high-grade meningiomas. Our study, for the first time, provides evidence that T1 mapping may be an imaging biomarker for differentiating grades and predicting the proliferation potential of meningiomas. The combination of T1 mapping and DWI showed the highest diagnostic performances in grading meningiomas.
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