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Radiation Planning Assistant - A Web-based Tool to Support High-quality Radiotherapy in Clinics with Limited Resources

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MRI simulation for radiotherapy treatment planning.

Slobodan Devic¹

¹Department of Radiation Oncology, Jewish General Hospital, McGill University, Montréal, Québec, Canada. slobodan.devic@mcgill.ca

Medical Physics

|November 7, 2012

Summary

Computed tomography (CT) simulation is standard in radiotherapy planning (RTP). Magnetic resonance imaging (MRI) offers superior soft tissue contrast, enhancing target definition. This review examines MRI integration in RTP and considers the MRI-simulator as a future standard tool.

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Area of Science:

Radiotherapy
Medical Imaging
Oncology

Background:

Computed tomography (CT) simulation is the current standard for radiotherapy treatment planning (RTP).
Magnetic resonance imaging (MRI) provides excellent soft tissue contrast, which has been integrated into RTP via image coregistration.
The incorporation of MRI data has improved target definition in RTP.

Purpose of the Study:

To review the clinical evidence for incorporating MRI data into target definition for RTP.
To evaluate the potential of the MRI-simulator as a standard imaging tool in radiation oncology.

Main Methods:

Literature review of studies incorporating MRI data into RTP.
Analysis of clinical evidence supporting MRI use in target definition.
Discussion of the role and feasibility of MRI-simulators in radiation oncology departments.

Main Results:

MRI integration has enhanced target definition accuracy in RTP.
Clinical evidence supports the benefits of using MRI in radiotherapy planning.
The development and adoption of MRI-simulators are progressing.

Conclusions:

MRI has proven valuable for improving target definition in RTP.
The evidence suggests that an MRI-simulator could become a valuable addition to standard radiation oncology imaging.
Further integration and validation of MRI-simulators are warranted for widespread clinical adoption.