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Review
. 2023 Aug;24(8):988-1003.
doi: 10.1007/s11864-023-01097-w. Epub 2023 May 22.

Critical Appraisal of Proton Therapy for Patients with Central Nervous System (CNS) Malignancies

Jennifer Kahan  1 , Constanza Martinez  1 , Christina Tsien  2
Affiliations
Review

Critical Appraisal of Proton Therapy for Patients with Central Nervous System (CNS) Malignancies

Jennifer Kahan et al. Curr Treat Options Oncol. 2023 Aug.

Abstract

As more hospital-based proton treatment centres become operational, the indications for proton beam therapy (PBT) are being evaluated. Recent advances in PBT technology are expanding the indications for the use of protons in the treatment of central nervous system (CNS) tumours. Prospective trials that assess the late toxicity of different radiation therapy (RT) techniques are needed to confirm any expected reduction in long-term side effects with PBT. The ASTRO Model Policy on proton beam therapy currently supports the reasonable use of protons in the treatment of specific CNS tumour types. Specifically, PBT plays a key role in the management of CNS tumours where anatomy, extent of disease or previous treatment cannot be satisfactorily addressed with conventional RT. As the availability of PBT rises around the world, the number of patients with CNS disease treated with PBT will continue to grow.

Keywords: Central nervous system malignancies; Pencil beam; Proton beam therapy.

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