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Minim Invasive Neurosurg 2002; 45(1): 24-31
DOI: 10.1055/s-2002-23580
Original Article
Georg Thieme Verlag Stuttgart · New York

Virtual Endoscopy for Planning Neuro-Endoscopic Intraventricular Surgery

J.  Burtscher1 , R.  Bale2 , A.  Dessl2 , W.  Eisner1 , K.  Twerdy1 , R.  A.  Sweeney3 , S.  Felber2
  • 1 1Department of Neurosurgery, University Hospital Innsbruck, Innsbruck, Austria
  • 2 2Department of Radiology, University Hospital Innsbruck, Innsbruck, Austria
  • 3 3Department of Radiation-Oncology, University Hospital Innsbruck, Innsbruck, Austria
Further Information

Publication History

Publication Date:
02 April 2002 (online)

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Abstract

To evaluate the usefulness of virtual endoscopy (VE) in planning neuroendoscopic intraventricular surgeries, the technique was applied in 20 of 22 consecutive procedures. Thirteen endoscopic third ventriculostomies (ETV) in 12 patients, 3 endoscopic colloid cyst removals, 1 third ventricular arachnoidal cyst fenestration, 1 endoscopic ventricul-cysto-cisternostomy (suprasellar arachnoidal cyst), 1 endoscopic tumor biopsy, one third ventricular gross total tumor removal and 2 septostomies at the foramen of Monro due the septal occlusion were performed. Contrast medium-enhanced MR images (3DMPRAGE, Siemens, Germany) were semi-automatically segmented with a surface-rendering technique (“Navigator” software, General Electric Medical, Buc, France) to produce the virtual endoluminal views. Surgery was performed with cerebral ventriculoscopes by Wolf (Richard Wolf, Knittlingen, Germany). VE was feasible in all patients and the virtual endoscopic images were comparable with the real intraventricular views obtained by standard rod lens systems. After contrast medium administration intra- and paraventricular vessels such as the thalamocaudate vein, the septal veins, the basilar artery and its branches (distal BA complex) and the choroid plexus were identified on the virtual endoscopic images. In 8 patients, the additional anatomic information provided by VE profoundly influenced surgical planning. VE provides the neurosurgeon with additional morphological information supporting the planning process of neuroendoscopic intraventricular surgeries, contributing to the safety of the procedures.

Key words

Virtual Endoscopy - Endoscopy - Neuroendoscopy - Endoscopic Neurosurgery

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J. BurtscherM.D. 

Department of Neurosurgery · University Hospital Innsbruck

Anichstr. 35

6020 Innsbruck · Austria

Phone: +43-512-504-2621

Fax: +43-512-504-2641

Email: johannes.burtscher@uibk.ac.at

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