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Norbert J. Liebsch
Researcher at Harvard University
Publications - 67
Citations - 6596
Norbert J. Liebsch is an academic researcher from Harvard University. The author has contributed to research in topics: Radiation therapy & Chordoma. The author has an hindex of 35, co-authored 65 publications receiving 5853 citations.
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Journal ArticleDOI
A novel classification system for spinal instability in neoplastic disease: an evidence-based approach and expert consensus from the Spine Oncology Study Group.
Charles G. Fisher,Christian P. DiPaola,Timothy C. Ryken,Mark H. Bilsky,Christopher I. Shaffrey,Sigurd Berven,James S. Harrop,Michael G. Fehlings,Stefano Boriani,Dean Chou,Meic H. Schmidt,David W. Polly,Roberto Biagini,Shane Burch,Mark B. Dekutoski,Aruna Ganju,Peter C. Gerszten,Ziya L. Gokaslan,Michael W. Groff,Norbert J. Liebsch,Ehud Mendel,Scott H. Okuno,Shreyaskumar Patel,Laurence D. Rhines,Peter S. Rose,Daniel M. Sciubba,Narayan Sundaresan,Katsuro Tomita,Péter Varga,Luiz Roberto Vialle,Frank D. Vrionis,Yoshiya Yamada,Daryl R. Fourney +32 more
TL;DR: The Spine Instability Neoplastic Score is a comprehensive classification system with content validity that can guide clinicians in identifying when patients with neoplastic disease of the spine may benefit from surgical consultation and aid surgeons in assessing the key components of spinal instability due to neoplasia.
Journal ArticleDOI
Spinal Instability Neoplastic Score: An Analysis of Reliability and Validity From the Spine Oncology Study Group
Daryl R. Fourney,Evan Frangou,Timothy C. Ryken,Christian P. DiPaola,Christopher I. Shaffrey,Sigurd Berven,Mark H. Bilsky,James S. Harrop,Michael G. Fehlings,Stefano Boriani,Dean Chou,Meic H. Schmidt,David W. Polly,Roberto Biagini,Shane Burch,Mark B. Dekutoski,Aruna Ganju,Peter C. Gerszten,Ziya L. Gokaslan,Michael W. Groff,Norbert J. Liebsch,Ehud Mendel,Scott H. Okuno,Shreyaskumar Patel,Laurence D. Rhines,Peter S. Rose,Daniel M. Sciubba,Narayan Sundaresan,Katsuro Tomita,Péter Varga,Luiz Roberto Vialle,Frank D. Vrionis,Yoshiya Yamada,Charles G. Fisher +33 more
TL;DR: SINS demonstrated near-perfect inter- and intraobserver reliability in determining three clinically relevant categories of stability in patients with spinal tumor-related spinal instability.
Journal ArticleDOI
Proton therapy for tumors of the skull base
TL;DR: Observed treatment-related morbidity has been judged acceptable, in view of the major morbidity and mortality which accompany uncontrolled tumor growth.
Journal ArticleDOI
Patient study of in vivo verification of beam delivery and range, using positron emission tomography and computed tomography imaging after proton therapy.
Katia Parodi,Harald Paganetti,Helen A. Shih,S. Michaud,Jay S. Loeffler,Thomas F. DeLaney,Norbert J. Liebsch,John E. Munzenrider,Alan J. Fischman,Antje Knopf,Thomas Bortfeld +10 more
TL;DR: The feasibility of postradiation PET/CT for in vivo treatment verification after proton radiotherapy is demonstrated and some technological and methodological improvements needed for optimal clinical application are indicated.
Journal ArticleDOI
Chondrosarcoma of the base of the skull: a clinicopathologic study of 200 cases with emphasis on its distinction from chordoma.
Andrew E. Rosenberg,Gunnlaugur P. Nielsen,Suzanne B. Keel,Laurette G. Renard,Markus M. Fitzek,John E. Munzenrider,Norbert J. Liebsch +6 more
TL;DR: CSA of the skull base can be distinguished reliably from chordoma, and this distinction is important because skull base CSA has an excellent prognosis when treated with surgery and proton beam irradiation, whereas chordomas have a substantially poorer clinical course despite similar aggressive management.