PMC5820877_01
Preoperative diffusion-weighted imaging displaying rostral-to-caudal extension of the mass with restricted diffusion
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F1
On the MRI obtained at an outside hospital, there was a mass with restricted diffusion located in the right PC area extending to the premedullary cistern, inferiorly; the middle fossa, anteriorly; and the subthalamic area, superiorly, occupying the entire ambient cistern [Figure 1].
Postoperative computed tomography revealing gross total removal of the lesion
AJNS-13-161-g002.jpg
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F2
The distortions and expansions in the anatomical structures and spaces improved, which suggested that there was no significant residual tumor left behind [Figure 2].