Neurology -- De Bonis et al. 70 (6): e26 Figure 218

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Figure 2 T2-weighted images

(A, B) Preoperative T2-weighted images revealing a space-occupying suprasellar prepontine arachnoid cyst (arrows), displacing superiorly the third ventricle floor, the pituitary stalk and the optic chiasm, and, posteriorly, the mammillary bodies. (C, D) Postoperative T2-weighted images demon-strating a more horizontal orientation of chiasm and third ventricle floor. The cyst has shrunk (arrows).