The natural history of meningioma remains unclear and a simple, practical method is needed to identify fast growth tumors. This study evaluated correlations between clinical parameters, tumor growth rate (TGR), tumor volume doubling time (VDT), Ki-67 and relative apparent diffusion coefficient (rADC) derived from diffusion weighted imaging (DWI). The results showed that rADC was an independent predictive parameter of meningioma growth and baseline rADC had a good predictive ability for differentiating slow growth from fast growth meningioma. This suggests that in asymptomatic meningiomas, DWI might be a valuable predictive imaging method.
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Zheng et al. (2024) studied this question.
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