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Creator:   Neurosurgery
Created:   4/10/2012
Contains:  10 items
This collection includes videos from Neurosurgery's most recent general articles.

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The Small Chamber Irrigation Technique

Neurosurgery

Small Chamber Irrigation Technique (SCIT) for treating intraoperative hemorrhage during endoscopic fenestration of an arachnoid cyst.

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Neuroendoscopic Magendie and Luschka Foraminoplasty

Neurosurgery

The endoscope is advanced in a standard approach to the lateral horn and through the foramen of Monro into the third ventricle. The mammillary bodies are visualized; under the massa intermedia the endoscope is oriented posteriorly until the cerebral aqueduct is found. Once at the cerebral aqueduct entrance, the flexible endoscope is rotated clockwise until the fourth ventricle is entered. The choroid plexus is observed at the roof of the fourth ventricle and followed laterally to reach for the foramen of Luschka. The endoscope is passed underneath the inferior cerebellar peduncle. A thin membranous veil covers the Lushcka foramina, in this case the membrane is abnormally thickened. A blunt instrument is used to perforate the membrane and create an opening that is widened by moving the endoscope laterally. Caution should be used to avoid injury to the cranial nerves. The endoscope is drawn back to the midline of the fourth ventricle until the Magendie foramina is identified. Similarly, a blunt instrument is used to open the Magendie foramina. Caution should also be used to avoid injury to the posteroinferior cerebellar arteries. The endoscope is advanced through the foramen magnum into the cisterna magna. Lastly, the endoscopes is carefully withdrawn out of the ventricles.

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Robotic Auto-Positioning of the Operating Microscope

Neurosurgery

Illustrative example of a symptomatic cavernous malformation, resected by an anterior contralateral interhemispheric approach, with image guidance and robotic use of the microscope.

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Intangible Control of the Intraoperative Monitor

Neurosurgery

This video demonstrates use of “OPECT” during surgical procedure.

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Intraspinal Stem Cell Transplantation

Neurosurgery

This narrated video demonstrates the process of intraspinal microinjection with use of a floating cannula. The cannula is introduced into the cord in rigid confirmation. After the microinjection needle is firmly seated into the spinal cord, the rigid outer cannula is withdrawn. The flexible silastic inner cannula is then able to move with cardioballistic and respiratory-associated cord movement. At microinjection completion, the outer cannula is returned to its original position and the injection cannula is withdrawn.

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Endoscopic LT Fenestration Video 1

Neurosurgery

Intraoperative endoscopic video of the lamina terminalis fenestration procedure. The video starts with a standard endoscopic third ventriculostomy and exploration of the basal cisterns. Very limited space for adequate CSF flow within the cisterns was noted. Proceeding with the LT fenestration, the tip of the flexible neuroendoscope is bent ventraly. The optic chiasm is identified. Utilizing a closed grasping forceps for the initial fenestration, the lamina terminalis is perforated. The ostomy is slowly enlarged with the neuroendoscope itself. The anterior communicating artery complex is identified. The ostomy is further enlarged if necessary.

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Endoscopic LT Fenestration Video 2

Neurosurgery

Intraoperative endoscopic video of the lamina terminalis fenestration procedure. The video starts with the neuroendoscope in the third ventricle looking at the tuber cinerum and optic chiasm. After identifying the optic chiasm, the tip of the flexible neuroendoscope is bent anteriorly, the suprachiasmatic recess and the lamina terminalis are identified next. Once in position, with a closed grasping forceps, the lamina terminalis is perforated. The ostomy is slowly enlarged with the grasping forceps or with the neuroendoscope itself. The anterior communicating artery complex and its branches are identified. The ostomy is further enlarged if necessary. The free edges of the ostomy move with the pulsation of the brain indicating CSF flow. The purpose of this second video is to show that the position of the anterior communicating artery may vary, in this case the ostomy was made closer to the artery but still below it.

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LSO for Tuberculum Sellae Meningioma Video 1

Neurosurgery

This video demonstrates the microsurgical techniques for removal of a medium-sized, soft TSM through a right LSO approach.

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LSO for Tuberculum Sellae Meningioma Video 2

Neurosurgery

This video demonstrates the microsurgical techniques for removal of a medium-sized, medium consistency TSM through a right LSO approach.

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LSO for Tuberculum Sellae Meningioma Video 3

Neurosurgery

This video demonstrates the microsurgical techniques for removal of a large, hard TSM through a right LSO approach.

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