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Fig. 4 | BMC Neurology

Fig. 4

From: Reinvestigation of the origins of pineal meningiomas based on its related veins and arachnoid membranes

Fig. 4

Radiological imaging of the tumor deriving from the arachnoid architecture within the velum interpositum. 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; Red line represent possible tumor attachment)

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