• Péter Banczerowski, Róbert Veres, and János Vajda.
• Országos Idegtudományi Intézet, Budapest. bancept@gmail.com
• Ideggyogy Szemle. 2012 May 30;65(5-6):169-80.

AbstractThe last decade has brought significant development in spine surgery. As in all field of surgery, introduction of the minimal invasive, atraumatic procedures characterized our activities. The number of short and long-time complications were significantly reduced and the effectiveness of operations were markedly improved by the new technical conditions, for example by the use of neuronavigation, surgical microscope, intraoperative fluoroscopy, high speed drill and the widespread of keyhole concept. The applied multislice CT imaging and the high resolution MRI enabled to improve the accuracy of the planned surgical procedures and to reduce the mortality and morbidity of operations. In our studies technical methods were investigated and new developments were established in the field of minimal invasive spine surgery. The National Institute of Neurosurgery's spinal surgical team pioneers further development and application of novel minimal invasive procedures. Applied methods of vanguard surgical procedures include split laminotomy, the "archbone" technique, the "over the top" decompression, the multilevel hemi-semi laminectomy, the supraforaminal "burr hole", the facet joint sparing "open tunnel" techniques or parasplit minimal invasive approaches. The new innovative surgical techniques are applied in our daily routine and meet international trends by utilizing benefits of minimal invasive spinal surgery. Using our newly developed innovative techniques allow to decompress neural elements in case of spinal canal stenosis and to remove the intramedullary and extramedullary space-occupying lesions located in the spinal canal and spreading extraspinally through the neuroforamen. These techniques are specially tailored to preserve structural integrity and stability of the spinal column, and allow at the same time to minimize resection of and injury to tissues not directly involved in the pathologic processes. In our studies a classification system of spatial localization of pathological lesions and processes in spinal canal was developed by us. Using this classification system enables the surgeon to select and apply the appropriate minimal invasive technique from dorsal direction and to remove the space-occupying lesions located in the spinal canal. The minimal invasive techniques were characterized and summarized. This overview of the minimal invasive techniques can be applied and recommended in the daily routine of spine surgery. We proudly employ novel surgical techniques having been developed in our institution. These techniques are internationally recognized and applied in our practice on daily basis as well.

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