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Figure 2: Axial FLAIR and postcontrast T1-weighted images (a and b) demonstrate that the cystic lesion seems to communicate with the ventricle, with signal similar to CSF and no enhancement. Axial DWI and ADC map (c and d) show some restricted diffusion in the cyst wall with a posterior nodular focus (arrowhead in c); notice also the presence of foci of restricted diffusion in the frontal horn of this ventricle (arrow in c)

Figure 2: Axial FLAIR and postcontrast T1-weighted images (a and b) demonstrate that the cystic lesion seems to communicate with the ventricle, with signal similar to CSF and no enhancement. Axial DWI and ADC map (c and d) show some restricted diffusion in the cyst wall with a posterior nodular focus (arrowhead in c); notice also the presence of foci of restricted diffusion in the frontal horn of this ventricle (arrow in c)