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Linear accelerator surgery for meningiomas.


Posted on: 09/27/2005

Linear accelerator surgery for meningiomas.

J Neurosurg. 2005 Aug;103(2):206-9. Related Articles, Links

Friedman WA, Murad GJ, Bradshaw P, Amdur RJ, Mendenhall WM, Foote KD, Bova FJ.

Department of Neurosurgery, University of Florida, Gainesville, Florida 32610, USA. friedman@neurosurgery.ufl.edu

OBJECT: In this paper the authors review the results of a single-center experience in the use of linear accelerator (LINAC) surgery for radiosurgical treatment of meningiomas.

METHODS: A retrospective analysis of all patients treated with LINAC surgery for meningiomas between May 1989 and December 2001 was performed. All patients participated in follow-up review for a minimum of 2 years, and no patients were excluded. Two hundred ten patients were treated during the study interval. The actuarial local control rate for benign tumors was 100% at both 1 and 2 years, and 96% at 5 years. The actuarial local control rate for atypical tumors was 100% at 1 year, 92% at 2 years, and 77% at 5 years; and that for malignant tumors was 100% at both 1 and 2 years, and only 19% at 5 years. Of the 210 patients 13 (6.2%) experienced temporary radiation-induced complications, and only five (2.3%) experienced permanent complications. In all patients with a permanent complication the histological characteristics of the meningioma were malignant.

CONCLUSIONS: Linear accelerator surgery produced high local control rates and very low rates of permanent morbidity in patients harboring benign meningiomas.

PMID: 16175847 [PubMed - in process]


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