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Title: Image-guided robotic radiosurgery for spinal metastases
Authors: Iris C. Gibbs
Pimkhuan Kamnerdsupaphon
Mi Ryeong Ryu
Robert Dodd
Michaela Kiernan
Steven D. Chang
John R. Adler
Keywords: Medicine
Issue Date: 1-Feb-2007
Abstract: Background and Purpose: To determine the effectiveness and safety of image-guided robotic radiosurgery for spinal metastases. Materials/Methods: From 1996 to 2005, 74 patients with 102 spinal metastases were treated using the CyberKnife™ at Stanford University. Sixty-two (84%) patients were symptomatic. Seventy-four percent (50/68) of previously treated patients had prior radiation. Using the CyberKnife™, 16-25 Gy in 1-5 fractions was delivered. Patients were followed clinically and radiographically for at least 3 months or until death. Results: With mean follow-up of 9 months (range 0-33 months), 36 patients were alive and 38 were dead at last follow-up. No death was treatment related. Eighty-four (84%) percent of symptomatic patients experienced improvement or resolution of symptoms after treatment. Three patients developed treatment-related spinal injury. Analysis of dose-volume parameters and clinical parameters failed to identify predictors of spinal cord injury. Conclusions: Robotic radiosurgery is effective and generally safe for spinal metastases even in previously irradiated patients. © 2006 Elsevier Ireland Ltd. All rights reserved.
ISSN: 01678140
Appears in Collections:CMUL: Journal Articles

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