Neupsy Key

Fig. 27.2 Ideal placement of a trocar for a frontal shunt tube Fig. 27.3 (1) Ventriculoatrial shunt; (2) ventriculoperitoneal shunt Fig. 27.4 (3) Spino-peritoneal shunt Fig. 27.5 Endoscopic third ventriculostomy

Fig. 28.2 Surgical view of transconjunctival approach to the superior orbit Fig. 28.3 Surgical view, exposure of the orbital roof Fig. 28.4 Surgical view, removal of the orbital roof and exposure with incision…

Fig. 16.2 Coronal T2W MRI image through the belly of the pons demonstrates the large fibers of the trigeminal nerves (arrows) on both sides of the pone, extending anteriorly Fig. 16.3 Axial…

Fig. 13.1 Optic nerves depicted on an axial CISS image. The nerves are hypointense surrounded by subarachnoid space which may not always be clearly visible. In this particular patient suffering from…

References 1. Habas C, Cabanis EA (2007) Anatomical parcellation of the brainstem and cerebellar white matter: a preliminary probabilistic tractography study at 3 T. Neuroradiology 49(10):849–863CrossrefPubMed

Fig. 18.2 Oblique sagittal T2 MR image through the porus acusticus reveals the characteristic “ball in catcher’s mitt” appearance of the facial nerve (arrow) and the vestibulocochlear nerve. The facial nerve…

Fig. 14.2 Coronal CISS image: cisternal segment of CN III lies in the “oculomotor triangle” defined superiorly by the posterior cerebral artery and inferiorly by the superior cerebellar artery 14.2 Function…

15.2 Function The trochlear nerve has only GSE motor fibers. It innervates the superior oblique muscle, activation of which causes the eye to depress when adducted and to intort (inward…

Fig. 19.2 Oblique sagittal T2W (CSF bright) MRI image through the porus acusticus (opening of the IAC) demonstrates the vestibulocochlear nerve (arrow) inferior and posterior to the facial nerve Fig. 19.3 Oblique…