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Radiosurgery for Spinal Lesions

Article information

J Korean Med Assoc. 2008;51(1):38-44
Publication date (electronic) : 2008 January 31
doi : https://doi.org/10.5124/jkma.2008.51.1.38
Moon-Jun Sohn, MD, Dong Joon Lee, PhD
Department of Neurosurgery, Inje University College of Medicine, Korea. mjsohn@ilsanpaik.ac.kr

Abstract

Spinal Stereotactic Radiosurgery (SRS) has become an important treatment modality for a broad range of spinal tumors and spinal vascular lesions. Recent clinical acceptance and awareness of the usefulness of spinal radiosurgery has escalated with the development of modern radiosurgical technology. Image-guided navigation systems incorporating non-invasive fiducial tracking and virtual simulation planning systems have made spinal radiosurgery increasingly effective and expanded the range of clinical applications for which it can be effectively used. Additional improvements such as Intensity Modulation and Micro-Multileaf Collimation that allow the accurate modulating and shaping of the radiation beam have also contributed greatly to the ability of clinicians to treat irregular and critically located lesions with greatly reduced collateral risk. Spinal Radiosurgery for spinal tumors can achieve similar clinical results to cranial stereotactic radiosurgery for brain tumors in terms of achieving local tumor control and improving quality of life and survival rates. Stereotactic radiosurgery, which has long been used for the treatment of intracranial lesions, is now recognized to be a viable option for treating spinal tumors and spinal vascular lesions.

Keywords: Spinal radiosurgery; Spinal tumors; Spinal vascular malformation; Novalis radiosurgery; Stereotactic radiosurgery

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Copyright © 2008 Korean Medical Association

Figure 1

Figure 1

Comparison of Kaplan-Meier Survival curve between palliapive group vs. locally curapive group.

Figure 2

Figure 2

Three dimensional CT scan (left) and Novalis treatment planning (right) for Spinal arteriovenous malformation at T10-L1 levels (arrow).

Table 1

Summary of KPS and VAS score before radiosurgery vs. after radiosurgey

Table 1

SRS: stereotactic radiosurgery, *: statistically significant