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

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

Published on: February 6, 2019

Tomotherapy and other innovative IMRT delivery systems.

John D Fenwick¹, Wolfgang A Tomé, Emilie T Soisson

¹Department of Medical Physics, Clatterbridge Centre for Oncology, Wirral, United Kingdom. john.fenwick@ccotrust.nhs.uk

Seminars in Radiation Oncology

|October 3, 2006

Summary

Intensity-modulated radiotherapy (IMRT) offers advanced cancer treatment. This review explores innovative nonstandard IMRT delivery systems, comparing their dose distributions and clinical applications.

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Area of Science:

Radiation Oncology
Medical Physics
Cancer Treatment

Background:

Fixed-field intensity-modulated radiotherapy (IMRT) is a standard cancer treatment.
Innovative nonstandard IMRT delivery systems are now commercially available.
These systems offer alternatives to conventional IMRT.

Purpose of the Study:

To review innovative nonstandard IMRT approaches.
To discuss rationales and delivery system designs.
To compare dose distributions and identify optimal applications.

Main Methods:

Review of tomotherapy, robotic linear accelerators, and jaw-modulated standard linear accelerators.
Description of delivery system designs.
Analysis of dose distributions and treatment process factors.

Main Results:

Nonstandard IMRT systems offer diverse dose distributions.
Machine design trade-offs influence system capabilities.
Optimal systems depend on disease site, target volume, and normal structure topology.

Conclusions:

Nonstandard IMRT systems vary in dose distribution optimality and efficiency.
Integration of onboard imaging and motion management are key differentiators.
Specific delivery systems may be best suited for particular treatment scenarios.