Abstract
Radiosurgery is commonly considered to be effective through a destructive physical mechanism acting on neural tissue. However, the results of modern neurophysiological, radiological, and histological studies are providing a basis on which to question this assumption. There are now multiple pieces of evidence pointing to a nonlesional mechanism of the radiosurgical action. It appears that tissue destruction is absent or minimal and in almost all cases insufficient to explain the clinical effects produced. There is a real possibility that radiosurgery induces changes in the functioning of neural tissue by differential effects on various neuronal populations and remodeling the glial environment, leading to modulation of function while preserving basic processing. Hence, the majority of radiosurgical procedures induce the desired biological effect without histological destruction of tissue. These findings may result in a major paradigm shift in the treatment of functional brain disorders.
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The Author is recipient of the research grant from Elekta Instruments AB and Meetings’ sponsorships from Accuray, BrainLab, Elekta Instruments AB, and Varian, none of which is related to the present study.
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Régis, J. (2013). Radiosurgery as Neuromodulation Therapy!. In: Chernov, M., Hayashi, M., Ganz, J., Takakura, K. (eds) Gamma Knife Neurosurgery in the Management of Intracranial Disorders. Acta Neurochirurgica Supplement, vol 116. Springer, Vienna. https://doi.org/10.1007/978-3-7091-1376-9_19
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DOI: https://doi.org/10.1007/978-3-7091-1376-9_19
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