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Related Experiment Video

Updated: Dec 2, 2025

Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies
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Proton vs Hyperarc™ radiosurgery: A planning comparison.

A Boczkowski1, P Kelly2, S L Meeks2

  • 1Department of Neurosurgery, University of Florida, Gainesville, FL, USA.

Journal of Applied Clinical Medical Physics
|November 5, 2020
PubMed
Summary
This summary is machine-generated.

Proton SRS (PSRS) shows promise as an alternative to photon stereotactic radiosurgery (SRS). This study validates proton therapy systems for small field dosimetry and optimizes PSRS plans, comparing them to VMAT SRS.

Keywords:
HyperArcProton radiosurgeryplanning

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Area of Science:

  • Radiation Oncology
  • Medical Physics
  • Radiotherapy

Background:

  • Stereotactic radiosurgery (SRS) is a key treatment for various conditions where surgery is not feasible.
  • Current SRS relies on photon beam technology, with established efficacy and safety profiles.
  • Proton therapy offers physical advantages and is increasingly available, presenting an opportunity for SRS applications.

Purpose of the Study:

  • To assess the accuracy of clinical proton treatment planning systems in modeling small field dosimetry.
  • To identify optimal beam configurations and planning metrics for proton SRS (PSRS) by comparing them to photon SRS standards.
  • To evaluate the dosimetric performance of PSRS plans against VMAT SRS plans using HyperArc™.

Main Methods:

  • Validated clinical proton therapy planning systems for small field dosimetry accuracy.
  • Determined optimal beam parameters and planning metrics for PSRS.
  • Performed comparative treatment planning on diverse SRS cases, comparing PSRS and VMAT SRS (HyperArc™) plans.

Main Results:

  • Clinical proton planning systems can accurately model small field dosimetry required for SRS.
  • Established optimal beam configurations and planning metrics for PSRS.
  • PSRS plans demonstrated comparable or improved dosimetric outcomes to VMAT SRS plans in tested cases.

Conclusions:

  • Proton therapy planning systems are suitable for developing accurate PSRS techniques.
  • PSRS is a viable and potentially advantageous alternative to photon-based SRS.
  • Further clinical implementation and investigation of PSRS are warranted.