Training activity information
Details
Evaluate and optimise different pulse sequences and protocols for radiotherapy planning
Type
Developmental training activity (DTA)
Evidence requirements
Evidence the activity has been undertaken by the trainee​.
Reflection on the activity at one or more time points after the event including learning from the activity and/or areas of the trainees practice for development.
An action plan to implement learning and/or to address skills or knowledge gaps identified.
Considerations
- QA requirements including quantifying and minimising distortion
- Errors and uncertainties
- Radiotherapy planning and margins
- Differences in requirements between MR only and MR CT fusion
- Patient set up and immobilisation
- Application to different body sites
- Image acquisition planes
- Data flow
Reflective practice guidance
The guidance below is provided to support reflection at different time points, providing you with questions to aid you to reflect for this training activity. They are provided for guidance and should not be considered as a mandatory checklist. Trainees should not be expected to provide answers to each of the guidance questions listed.
Before action
- Are there specific requirements for MRI in radiotherapy planning that you should be aware of, such as geometric accuracy and image quality for target delineation?
- What do you need to know before embarking on the activity? What is your understanding of the role of MRI in radiotherapy planning?
- What are the key requirements for image quality, spatial accuracy, and contrast in this context?
- What are different pulse sequences and protocols commonly used for radiotherapy planning?
- Consider the specific insights you hope to gain from engaging with the activity. How do the requirements for radiotherapy planning influence the choice and optimisation of MRI pulse sequences and protocols?
- What are the trade-offs between different parameters in this application?
- Think about what you already know about the task / activity. Are you familiar with the basic principles of radiotherapy planning and the role of medical imaging within it?
- Discuss the training activity with your training officer to gain clarity of understanding. What specific radiotherapy planning applications should you focus on? What are the key image quality criteria for these applications?
- Which pulse sequences and protocols should you evaluate and optimise?
- Consider possible challenges you might face during the activity, and think about how you might handle them. How will you objectively evaluate the suitability of different sequences and protocols for radiotherapy planning?
- How will you address potential issues related to geometric distortion and image artifacts? How will you ensure that your optimised protocols meet the clinical requirements?
- Identify how you feel about embarking on this training activity. Are you interested in the interdisciplinary applications of MRI?
- What are your initial thoughts on the specific challenges of MRI for radiotherapy planning?
In action
- Pay attention to your actions.
- How are you approaching the evaluation and optimisation of pulse sequences and protocols for radiotherapy planning?
- What are the key considerations for this application?
- What decisions are you making regarding sequence selection, parameter adjustments, and image quality assessment specifically in the context of radiotherapy planning requirements (e.g., geometric accuracy, tissue contrast)?
- What aspects of MRI for radiotherapy planning feel intuitive based on your general MRI knowledge, and what requires specific understanding of the needs and constraints of radiation therapy?
- How effective are your actions in identifying and optimising sequences and protocols that meet the requirements for accurate radiotherapy planning?
- What challenges are you facing during this evaluation and optimisation process (e.g., balancing image quality with geometric accuracy, minimising distortion)?
- What can you learn about the specific considerations and trade-offs involved in using MRI for radiotherapy planning?
- How does this activity connect to your understanding of MRI physics, pulse sequences, and the principles of radiation therapy?
- Are there alternative pulse sequences or optimisation strategies you should be considering to improve the suitability of MRI for radiotherapy planning?
- What support or guidance might you need in this moment, such as input from radiation oncologists or medical physicists involved in radiotherapy planning?
- Are you ensuring the evaluated and optimised protocols meet the necessary standards for accurate and safe radiotherapy delivery?
On action
- What different pulse sequences and protocols relevant to radiotherapy planning did you evaluate?
- What criteria did you use to assess the suitability of these sequences and protocols?
- How did you approach the process of optimising these sequences and protocols for radiotherapy planning purposes?
- What did you learn about the specific requirements of MRI for radiotherapy planning, such as geometric accuracy and image quality?
- Did you gain a better understanding of how different pulse sequence parameters affect image distortion and contrast relevant to target volume delineation?
- What did you learn about the collaborative role of MRI in the radiotherapy workflow?
- How will this knowledge influence your understanding of the interface between MRI and radiotherapy?
- What specific aspects of MRI sequence optimisation for radiotherapy planning will you explore further?
- How might you contribute to the development and implementation of best practices for MRI in radiotherapy planning within your department?
Beyond action
- Have you been involved in radiotherapy planning processes that utilise MRI, and observed how the choice of sequences and optimisation affects the planning outcomes?
- Have you compared different MRI protocols used for radiotherapy planning in terms of image quality, geometric accuracy, and compatibility with radiotherapy treatment planning systems?
- Have you discussed the specific imaging requirements for radiotherapy planning with radiation oncologists, radiotherapy physicists, or radiographers?
- How has this activity enhanced your understanding of the unique requirements for MRI in the context of radiotherapy planning, such as geometric accuracy and minimal distortion?
- Has this experience improved your ability to evaluate and optimise MRI protocols specifically to meet the needs of radiotherapy treatment planning?
- How has the learning from this training activity influenced your collaboration and communication with professionals in the radiotherapy department?
- How will your knowledge of MRI for radiotherapy planning support your involvement in the implementation of MRI-guided radiotherapy or other advanced treatment planning techniques?
- What clear actions for continued development in your understanding of radiotherapy treatment planning workflows, image registration techniques, or the specific requirements of different treatment sites have you identified?
- How might this experience contribute to your ability to contribute to the development of best practice guidelines for the use of MRI in radiotherapy planning within your institution or nationally?
Relevant learning outcomes
| # | Outcome |
|---|---|
| # 1 |
Outcome
Use MRI equipment safely to obtain images. |
| # 5 |
Outcome
Optimise sequence parameters for specific clinical needs. |