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Analytical Chem JoVE (Open Access) Citable · DOI

Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies

DOI: 10.3791/58372-v
What you'll learn
  • ✓ Understand CT simulation workflow for radiation treatment planning.
  • ✓ Learn pencil beam therapy planning principles and dose optimization.
  • ✓ Compare proton versus photon therapy dose distributions in clinical cases.
  • ✓ Apply proton therapy concepts across multiple solid tumor sites.
Protocol

The fundamentals of radiation planning and delivery for proton therapy using prostate cancer as a model are presented. The application of these principles to other selected disease sites highlights how proton radiotherapy may enhance clinical outcomes for cancer patients.

Difficulty
advanced
Total time
~2-4 weeks per patient (imaging, planning, delivery course)

Steps

1
Perform radiation treatment CT simulation

Acquire high-resolution CT imaging of tumor and surrounding anatomy in treatment position. Establish reference coordinates and anatomical landmarks for dose planning.

▶ 00:50
2
Execute pencil beam therapy treatment planning

Design proton beam configuration using inverse treatment planning to achieve prescribed dose coverage while minimizing dose to normal tissues. Optimize beam angles and energy levels.

▶ 03:02
3
Deliver proton radiation therapy treatment

Position patient using imaging guidance and deliver planned proton beam dose according to clinical protocol. Verify alignment and treatment parameters prior to beam delivery.

▶ 04:33
4
Compare proton and photon dose distributions

Analyze representative dose plans showing proton versus photon irradiation patterns in craniospinal and other tumor sites. Demonstrate dosimetric advantages of proton therapy.

▶ 06:51
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