Fig. 5From: Reinvestigation of the origins of pineal meningiomas based on its related veins and arachnoid membranesRadiological imaging of the tumor completely encapsulating the deep venous system. a-c: Preoperative images showing a pineal region meningioma d-f: Postoperative images showing gross-total removal of the tumor. g: Schematic representation of the microanatomical relationship between the tumor origin and arachnoid membranes. (Yellow lines represent the arachnoid membrane)Back to article page