Abstract
Radiosurgery is a special therapy technique in which intracranial targets are treated using ionizing radiations, delivering the dose to the lesions and sparing at the same time the surrounding organs at risk. Radiosurgical treatment involves dispensing the dose in a single session or, in the case of the so-called multisession radiosurgery, in a small number of fractions (up to 5).
To this end, it is necessary for the equipment to provide high mechanical, geometric, and dosimetric accuracy and a submillimetric accuracy of patient positioning. Indeed, when administering a limited number of fractions, the impact of all potential systematic and random uncertainties tends to be more significant than with conventional treatment.
In this chapter an up-to-date reference on neuroradiosurgical treatment from the perspective of medical physics, based on a review of the literature, has been provided. A general cross-sectional overview of the most important aspects of medical physics as applied to radiosurgery for meningioma and other brain pathologies is presented, and pertinent issues are discussed.
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del Vecchio, A., Bassetti, C., Broggi, S., De Martin, E., Zivelonghi, E. (2021). Physics and Radiation Dosage Issues in Neuroradiosurgical Treatment of Meningiomas. In: Longhi, M., Motti, E.D.F., Nicolato, A., Picozzi, P. (eds) Stereotactic Radiosurgery for the Treatment of Central Nervous System Meningiomas. Springer, Cham. https://doi.org/10.1007/978-3-030-79419-4_2
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