caa a22 4500 445329238 CHVBK 20180317142732.0 cr unu---uuuuu 170323e20111001xx s 000 0 eng 10.1007/s10143-011-0322-9 doi (NATIONALLICENCE)springer-10.1007/s10143-011-0322-9 Endoscope-assisted microsurgical resection of skull base meningiomas [Elektronische Daten] [Henry Schroeder, Anne-Katrin Hickmann, Jörg Baldauf] This study aims to determine the value of endoscope assistance in the microsurgical resection of skull base meningiomas. Fourty-six patients harboring a skull base meningioma underwent an endoscope-assisted microsurgical resection. In 30 patients (65%), tumor parts which could not be visualized under the microscope were detected with the endoscope. In 26 patients (56%), these tumor remnants were removed under endoscopic view. Gross total resection was achieved in 35 patients (76%) and near-total resection in 11 (24%). There was no surgical mortality. The major complication was new cranial nerve deficit. The application of endoscopes was most useful in the small supraorbital craniotomies to look under the ipsilateral optic nerve and internal carotid artery as well as to visualize the diaphragm sellae and olfactory groove. In the retrosigmoid craniotomies, the endoscope was beneficial to inspect the internal auditory canal, to look into Meckel's cave, or to inspect areas hidden behind the jugular tubercle and tentorial edge. There was no obvious complication related to the application of the endoscope. Endoscope assistance is particularly of value when skull base meningiomas are to be removed via small craniotomies to inspect blind corners which cannot be visualized in a straight line with the microscope. In addition, there is a benefit of using endoscopes with various angles of view in standard craniotomies and skull base approaches to look around bony and dural corners or to look behind neurovascular structures, by which the amount of skull base drilling and retraction to expose the tumor can be reduced. Springer-Verlag, 2011 Endoscope-assisted microsurgery nationallicence Meningioma nationallicence Neuroendoscopy nationallicence Skull base nationallicence Schroeder Henry Department of Neurosurgery, Ernst Moritz Arndt University, Sauerbruchstr, 17487, Greifswald, Germany aut Hickmann Anne-Katrin Department of Neurosurgery, Katharinenhospital, Stuttgart, Germany aut Baldauf Jörg Department of Neurosurgery, Ernst Moritz Arndt University, Sauerbruchstr, 17487, Greifswald, Germany aut Neurosurgical Review Springer-Verlag 34/4(2011-10-01), 441-455 0344-5607 34:4<441 2011 34 10143 https://doi.org/10.1007/s10143-011-0322-9 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10143-011-0322-9 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Schroeder Henry Department of Neurosurgery, Ernst Moritz Arndt University, Sauerbruchstr, 17487, Greifswald, Germany aut NATIONALLICENCE 700 1- Hickmann Anne-Katrin Department of Neurosurgery, Katharinenhospital, Stuttgart, Germany aut NATIONALLICENCE 700 1- Baldauf Jörg Department of Neurosurgery, Ernst Moritz Arndt University, Sauerbruchstr, 17487, Greifswald, Germany aut NATIONALLICENCE 773 0- Neurosurgical Review Springer-Verlag 34/4(2011-10-01), 441-455 0344-5607 34:4<441 2011 34 10143 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer