| Radiosurgery in patients with bilateral vestibular schwannomas. | |
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MedLine Citation:
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PMID: 17709979 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Patients with bilateral vestibular schwannomas offer a unique opportunity to determine the effectiveness of radiosurgery. By using the untreated tumor as an internal control, one can determine whether radiosurgery was able to interrupt the natural history of the treated tumor. METHODS: From September 1998 to November 2004, 13 patients with neurofibromatosis type 2 had 14 tumors treated with radiosurgery at the University of Florida. A retrospective analysis was performed on these patients. Actuarial statistics were used to analyze local control in both the treated and untreated tumor. RESULTS: The average follow-up length was 38 months. One patient failed to send a follow-up MRI. Actuarial local control in the treated tumors was 100% at 1 year and 92% at 2 and 5 years. Only 1 of the treated tumors continued to grow. In the untreated tumors, actuarial local control was 100% at 1 year, 78% at 2 years and 21% at 5 years. None of the untreated tumors decreased in size. CONCLUSION: In all but 1 patient with follow-up data, radiosurgery successfully prevented or reversed tumor growth. Additionally, half of the untreated tumors continued to grow. This study shows that radiosurgery alters the natural history of vestibular schwannomas. |
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Authors:
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Jay A Vachhani; William A Friedman |
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Publication Detail:
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Type: Journal Article Date: 2007-08-17 |
Journal Detail:
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Title: Stereotactic and functional neurosurgery Volume: 85 ISSN: 1423-0372 ISO Abbreviation: Stereotact Funct Neurosurg Publication Date: 2007 |
Date Detail:
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Created Date: 2007-10-15 Completed Date: 2007-11-08 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8902881 Medline TA: Stereotact Funct Neurosurg Country: Switzerland |
Other Details:
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Languages: eng Pagination: 273-8 Citation Subset: IM |
Copyright Information:
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(c) 2007 S. Karger AG, Basel. |
Affiliation:
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Department of Neurosurgery, University of Florida, Gainesville, FL 32610, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Aged Female Follow-Up Studies Functional Laterality Humans Magnetic Resonance Imaging Male Middle Aged Neoplasm Recurrence, Local Neurofibromatosis 2 / pathology, surgery* Neuroma, Acoustic / pathology, surgery* Radiosurgery* / instrumentation Retrospective Studies Vestibular Nerve / pathology, surgery* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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