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  • Title: (Stereotactic) radiosurgery XIX: spinal radiosurgery--two year experience in a UK centre.
    Author: Martin AG, Cowley IR, Taylor BA, Cassoni AM, Landau DB, Plowman PN.
    Journal: Br J Neurosurg; 2012 Feb; 26(1):53-8. PubMed ID: 22026444.
    Abstract:
    INTRODUCTION: Modern radiotherapy image guidance enables the treatment of extracranial targets with the required accuracy for safe delivery of radiosurgical treatments. The first two years' experience of spinal radiosurgery in a UK radiotherapy centre is reported. MATERIALS AND METHODS: Patients with primary or metastatic spinal lesions were treated using the CyberKnife stereotactic radiotherapy system. Xsight Spine (fiducial-free) tumour tracking software was used in all cases. Treatment was delivered using either a single or a three-fraction schedule, between February 2009 and March 2011. RESULTS: Fifty-three spinal lesions were treated, comprising 14 primary lesions in 12 patients, and 39 metastases in 29 patients. The prescription dose ranged from 8 to 30 Gy in 1-3 fractions. Fifty-nine percent of patients experienced no acute side effects from treatment. There were three cases of acute grade 3 back or nerve root pain, all of which responded to a short course of oral corticosteroids. At a median follow-up of 11.1 months, local control and overall survival were 91 and 65%, respectively. Pain improvement was seen in 75% of symptomatic metastases at 6 months post treatment. CONCLUSIONS: Early UK experience confirms that radiosurgery is well tolerated with excellent local control rates. Longer-term prospective data are needed to clarify the role of spinal radiosurgery for patients in this country.
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