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- Publications
- Influence
Utility of presurgical navigated transcranial magnetic brain stimulation for the resection of tumors in eloquent motor areas.
OBJECT
Navigated transcranial magnetic stimulation (nTMS) is a newly evolving technique. Despite its supposed purpose (for example, preoperative central region mapping), little is known about its… Expand
Diffusion tensor imaging fiber tracking using navigated brain stimulation—a feasibility study
- S. Krieg, N. Buchmann, J. Gempt, E. Shiban, B. Meyer, F. Ringel
- Medicine
- Acta Neurochirurgica
- 24 January 2012
BackgroundNavigated brain stimulation (NBS) is a newly evolving technique. In addition to its supposed purpose, e.g., preoperative mapping of the central region, little is known about its further use… Expand
Postoperative ischemic changes following resection of newly diagnosed and recurrent gliomas and their clinical relevance.
- Jens Gempt, A. Förschler, +6 authors F. Ringel
- Medicine
- Journal of neurosurgery
- 1 April 2013
OBJECT
The aim of surgical treatment of glioma is the complete resection of tumor tissue with preservation of neurological function. Inclusion of diffusion-weighted imaging (DWI) in the postoperative… Expand
Utility of diffusion tensor-imaged (DTI) motor fiber tracking for the resection of intracranial tumors near the corticospinal tract
- N. Buchmann, J. Gempt, M. Stoffel, A. Förschler, B. Meyer, F. Ringel
- Medicine
- Acta Neurochirurgica
- 2010
PurposeTreatment of intracranial tumors near the corticospinal tract remains a surgical challenge. Several technical tools to map and monitor the motor tract have been implemented. The present study… Expand
Frameless image-guided stereotaxy with real-time visual feedback for brain biopsy
- J. Gempt, N. Buchmann, +4 authors F. Ringel
- Medicine
- Acta Neurochirurgica
- 31 July 2012
BackgroundFrame-based stereotaxy remains the “gold standard” for cerebral biopsies and functional neurosurgery though new frameless stereotactic systems are evolving continually. As the technique of… Expand
Revision Rate of Misplaced Pedicle Screws of the Thoracolumbar Spine-Comparison of Three-Dimensional Fluoroscopy Navigation with Freehand Placement: A Systematic Analysis and Review of the Literature.
- J. Fichtner, N. Hofmann, +6 authors Y. Ryang
- Medicine
- World neurosurgery
- 2018
BACKGROUND
Recent studies have shown higher accuracy rates of image-guided pedicle screw placement compared to freehand (FH) placement. However, data focusing on the impact of spinal navigation on… Expand
Early Morbidity and Mortality in 50 Very Elderly Patients After Posterior Atlantoaxial Fusion for Traumatic Odontoid Fractures.
- Y. Ryang, Elisabeth Török, +5 authors B. Meyer
- Medicine
- World neurosurgery
- 1 March 2016
BACKGROUND
Traumatic odontoid fractures (tOFs) in the very elderly are associated with high morbidity and mortality. The best treatment strategy (conservative vs. surgery) is still unclear.
METHODS… Expand
18F-fluoro-ethyl-tyrosine positron emission tomography for grading and estimation of prognosis in patients with intracranial gliomas.
INTRODUCTION
Histopathological examination is the standard for grading and determination of diagnosis in intrinsic brain tumors though the possibility of malignization and tumor heterogeneity always… Expand
Minimally invasive transforaminal lumbar interbody fusion versus open transforaminal lumbar interbody fusion: a technical description and review of the literature
- Martin Vazan, J. Gempt, B. Meyer, N. Buchmann, Y. M. Ryang
- Medicine
- Acta Neurochirurgica
- 3 February 2017
BackgroundMinimally invasive spine surgery (MISS) has been increasingly advocated during the last decade with new studies being reported every year. Minimally invasive spine procedures, such as… Expand
Prognostic Value of Tumor Volume in Glioblastoma Patients: Size Also Matters for Patients with Incomplete Resection
BackgroundIncomplete resection of glioblastoma is discussed controversially in the era of combined radiochemotherapy.ObjectiveThe aim of this study was to analyze the benefit of subtotal tumor… Expand