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PurposeTo demonstrate that a continuous‐time random‐walk (CTRW) diffusion model can improve diagnostic accuracy of differentiating low‐ and high‐grade pediatric brain tumors.
MethodsFifty‐four children with histopathologically confirmed brain tumors underwent diffusion MRI scans at 3Twith 12 b‐values (0‐4000 s/mm2). The diffusion imageswere fit to a simplified CTRW model to extract anomalous diffusion...
To demonstrate the feasibility of a novel fractional motion (FM) diffusion model for distinguishing low- versus high-grade pediatric brain tumors; and to investigate its possible advantage over apparent diffusion coefficient (ADC) and/or a previously reported continuous-time random-walk (CTRW) diffusion model.With approval from the institutional review board and written informed consents from the...
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