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Fig. 1 | Chinese Neurosurgical Journal

Fig. 1

From: Simultaneous biportal endoscopic management of pineal region tumors in patients with obstructive hydrocephalus: technical notes

Fig. 1

A Preoperative plain CT brain showing the lesion (black arrow). B Preoperative sagittal T1 MRI with contrast showing the planned endoscopic trajectories. The first trajectory was for third ventriculostomy (dashed arrow) (via the right lateral ventricle and the right foramen of Monro towards the target point in the midline of the floor of the third ventricle, 3 mm in front of the mamillary bodies), and the second trajectory (solid arrow) was for tumor biopsy (via the right frontal horn and the right foramen of Monro towards the midpoint of the tumor)

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