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FIG 2. Images from the case of a 30-year-old man with a right frontal grade III/IV glioma.
A, Routine axial T1-weighted image. The location of the CST is difficult to determine.
B, Diffusion trace image coregistered to an axial T1-weighted image shows the relationship of the tumor to CST (red) on the right. The CST on the side with the tumor (red) is not only displaced posteriorly but appears to be infiltrated by the tumor (see Discussion). The contralateral CST is shown in blue.
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