Stefan Wolfsberger

Summary

Affiliation: Medical University of Vienna
Country: Austria

Publications

  1. ncbi request reprint Advanced virtual endoscopy for endoscopic transsphenoidal pituitary surgery
    Stefan Wolfsberger
    Department of Neurosurgery, Medical University Vienna, General Hospital AKH, Waehringer Guertel 18 20, A 1097 Vienna, Austria
    Neurosurgery 59:1001-9; discussion 1009-10. 2006
  2. pmc 5-Aminolevulinic acid induced fluorescence is a powerful intraoperative marker for precise histopathological grading of gliomas with non-significant contrast-enhancement
    Georg Widhalm
    Department of Neurosurgery, Medical University Vienna, Vienna, Austria Institute of Neurology, Medical University Vienna, Vienna, Austria Comprehensive Cancer Center Central Nervous System Tumours Unit CCC CNS, Medical University Vienna, Vienna, Austria
    PLoS ONE 8:e76988. 2013
  3. doi request reprint Strong 5-aminolevulinic acid-induced fluorescence is a novel intraoperative marker for representative tissue samples in stereotactic brain tumor biopsies
    Georg Widhalm
    Department of Neurosurgery, Medical University Vienna, Vienna, Austria
    Neurosurg Rev 35:381-91; discussion 391. 2012
  4. doi request reprint Value of 1H-magnetic resonance spectroscopy chemical shift imaging for detection of anaplastic foci in diffusely infiltrating gliomas with non-significant contrast-enhancement
    Georg Widhalm
    Department of Neurosurgery, Medical University Vienna, Vienna, Austria
    J Neurol Neurosurg Psychiatry 82:512-20. 2011
  5. ncbi request reprint Vascularization and expression of hypoxia-related tissue factors in intracranial ependymoma and their impact on patient survival
    Matthias Preusser
    Institute of Neurology, Medical University Vienna, AKH 4J, Waehringer Guertel 18 20, PO Box 48, 1097, Vienna, Austria
    Acta Neuropathol 109:211-6. 2005
  6. doi request reprint Residual nonfunctioning pituitary adenomas: prognostic value of MIB-1 labeling index for tumor progression
    Georg Widhalm
    Institute of Neurology, Department of Neurosurgery, Medical University Vienna, Vienna, Austria
    J Neurosurg 111:563-71. 2009
  7. ncbi request reprint O(6)-methylguanine DNA methyltransferase immunoexpression in nonfunctioning pituitary adenomas: are progressive tumors potential candidates for temozolomide treatment?
    Georg Widhalm
    Department of Neurosurgery, Medical University Vienna, Vienna, Austria
    Cancer 115:1070-80. 2009
  8. doi request reprint Advanced cranial navigation
    Ayguel Mert
    Department of Neurosurgery, Medical University Vienna, Austria
    Neurosurgery 72:43-53. 2013
  9. doi request reprint 5-Aminolevulinic acid is a promising marker for detection of anaplastic foci in diffusely infiltrating gliomas with nonsignificant contrast enhancement
    Georg Widhalm
    Department of Neurosurgery, Medical University of Vienna, Waehringer Guertel 18 20, A 1090 Vienna, Austria
    Cancer 116:1545-52. 2010
  10. doi request reprint Brain tumor surgery with 3-dimensional surface navigation
    Ayguel Mert
    Department of Neurosurgery, Medical University Vienna, Waehringer Guertel 18 20, Vienna, Austria
    Neurosurgery 71:ons286-94; discussion ons294-5. 2012

Collaborators

Detail Information

Publications16

  1. ncbi request reprint Advanced virtual endoscopy for endoscopic transsphenoidal pituitary surgery
    Stefan Wolfsberger
    Department of Neurosurgery, Medical University Vienna, General Hospital AKH, Waehringer Guertel 18 20, A 1097 Vienna, Austria
    Neurosurgery 59:1001-9; discussion 1009-10. 2006
    ..This article describes the development of an advanced system of vE for endoscopic transsphenoidal pituitary surgery and its application to teaching, training, and in the routine clinical setting...
  2. pmc 5-Aminolevulinic acid induced fluorescence is a powerful intraoperative marker for precise histopathological grading of gliomas with non-significant contrast-enhancement
    Georg Widhalm
    Department of Neurosurgery, Medical University Vienna, Vienna, Austria Institute of Neurology, Medical University Vienna, Vienna, Austria Comprehensive Cancer Center Central Nervous System Tumours Unit CCC CNS, Medical University Vienna, Vienna, Austria
    PLoS ONE 8:e76988. 2013
    ..As treatment of DIG is predominantely based on histopathological World Health Organisation (WHO) parameters, we analyzed whether PpIX fluorescence can detect anaplastic foci according to these criteria...
  3. doi request reprint Strong 5-aminolevulinic acid-induced fluorescence is a novel intraoperative marker for representative tissue samples in stereotactic brain tumor biopsies
    Georg Widhalm
    Department of Neurosurgery, Medical University Vienna, Vienna, Austria
    Neurosurg Rev 35:381-91; discussion 391. 2012
    ..Thereby, the application of 5-ALA in stereotactic brain tumor biopsies may in future reduce costs for operating room and neuropathology and may decrease procedure-related morbidity...
  4. doi request reprint Value of 1H-magnetic resonance spectroscopy chemical shift imaging for detection of anaplastic foci in diffusely infiltrating gliomas with non-significant contrast-enhancement
    Georg Widhalm
    Department of Neurosurgery, Medical University Vienna, Vienna, Austria
    J Neurol Neurosurg Psychiatry 82:512-20. 2011
    ..The authors therefore correlated CSI with (11)C-methionine (MET)-PET data in a series of DIG with non-significant contrast-enhancement (CE)...
  5. ncbi request reprint Vascularization and expression of hypoxia-related tissue factors in intracranial ependymoma and their impact on patient survival
    Matthias Preusser
    Institute of Neurology, Medical University Vienna, AKH 4J, Waehringer Guertel 18 20, PO Box 48, 1097, Vienna, Austria
    Acta Neuropathol 109:211-6. 2005
    ..We conclude that bizarre vascular pattern, necrosis and high hypoxia score are frequently detectable in intracranial ependymoma, but seem less important for patient outcome than tumor cell proliferation...
  6. doi request reprint Residual nonfunctioning pituitary adenomas: prognostic value of MIB-1 labeling index for tumor progression
    Georg Widhalm
    Institute of Neurology, Department of Neurosurgery, Medical University Vienna, Vienna, Austria
    J Neurosurg 111:563-71. 2009
    ..The Ki 67 expression/MIB-1 labeling index (LI) is considered to be a promising candidate factor. The aim in the present study was to analyze the clinical usefulness of MIB-1 LI for prognosis of tumor progression...
  7. ncbi request reprint O(6)-methylguanine DNA methyltransferase immunoexpression in nonfunctioning pituitary adenomas: are progressive tumors potential candidates for temozolomide treatment?
    Georg Widhalm
    Department of Neurosurgery, Medical University Vienna, Vienna, Austria
    Cancer 115:1070-80. 2009
    ..Therefore, the authors of this report assessed MGMT expression in a series of patients with progressive, regrowing NFPAs to evaluate whether TMZ may serve as alternative treatment option...
  8. doi request reprint Advanced cranial navigation
    Ayguel Mert
    Department of Neurosurgery, Medical University Vienna, Austria
    Neurosurgery 72:43-53. 2013
    ..Cranial surgical navigation is most commonly performed by registration with fiducial markers, optic tracking, and intermittent pointer-based application...
  9. doi request reprint 5-Aminolevulinic acid is a promising marker for detection of anaplastic foci in diffusely infiltrating gliomas with nonsignificant contrast enhancement
    Georg Widhalm
    Department of Neurosurgery, Medical University of Vienna, Waehringer Guertel 18 20, A 1090 Vienna, Austria
    Cancer 116:1545-52. 2010
    ..The aim of this study was to clarify whether 5-ALA might serve as marker for visualization of anaplastic foci in diffusely infiltrating gliomas with nonsignificant contrast enhancement for precise intraoperative tissue sampling...
  10. doi request reprint Brain tumor surgery with 3-dimensional surface navigation
    Ayguel Mert
    Department of Neurosurgery, Medical University Vienna, Waehringer Guertel 18 20, Vienna, Austria
    Neurosurgery 71:ons286-94; discussion ons294-5. 2012
    ..Precise lesion localization is necessary for neurosurgical procedures not only during the operative approach, but also during the preoperative planning phase...
  11. ncbi request reprint Gamma-knife radiosurgery for cranial base meningiomas: experience of tumor control, clinical course, and morbidity in a follow-up of more than 8 years
    Iris Zachenhofer
    Department of Neurosurgery, Medical University of Vienna, Vienna, Austria
    Neurosurgery 58:28-36; discussion 28-36. 2006
    ..However, reports of long-term results are still sparse. We therefore performed this study to analyze the long-term results of GKRS treatment of cranial base meningiomas, following our previously published early follow-up experience...
  12. ncbi request reprint Ki-67 immunolabeling index is an accurate predictor of outcome in patients with intracranial ependymoma
    Stefan Wolfsberger
    Department of Neurosurgery, University of Vienna Medical School, Vienna General Hospital, Vienna, Austria
    Am J Surg Pathol 28:914-20. 2004
    ..Thus, assessment of Ki-67 index in intracranial ependymoma is useful for outcome prediction in the routine diagnostic setting...
  13. ncbi request reprint Progesterone-receptor index in meningiomas: correlation with clinico-pathological parameters and review of the literature
    Stefan Wolfsberger
    Department of Neurosurgery, General Hospital AKH, Medical University Vienna, Waehringer Guertel 18 20, Vienna, Austria
    Neurosurg Rev 27:238-45. 2004
    ..We conclude that PgR index is variable in meningioma, depending on clinical parameters and histopathological features. Stratification of anti-progesterone therapy trials on the basis of PgR index should be considered...
  14. ncbi request reprint Application of three-tesla magnetic resonance imaging for diagnosis and surgery of sellar lesions
    Stefan Wolfsberger
    Department of Neurosurgery, University of Vienna Medical School, Vienna, Austria
    J Neurosurg 100:278-86. 2004
    ..The aim of this study was to determine the value of high-field magnetic resonance (MR) imaging for diagnosis and surgery of sellar lesions...
  15. doi request reprint The evolution of neuroArm
    Garnette R Sutherland
    Department of Clinical Neurosciences and the Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
    Neurosurgery 72:27-32. 2013
    ..neuroArm represents a successful interdisciplinary collaboration. It has positive implications for the future of robotic technology in neurosurgery in that the precision and accuracy of robots will continue to augment human capability...
  16. ncbi request reprint Anatomical landmarks for image registration in frameless stereotactic neuronavigation
    Stefan Wolfsberger
    Department of Neurosurgery, University of Vienna Medical School, Wahringer Gurtel, Austria
    Neurosurg Rev 25:68-72. 2002
    ..Therefore, we prospectively studied the applicability and accuracy of anatomic "natural" markers (NM) for image registration...