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Published on: February 6, 2019
On-line rapid palliation using helical tomotherapy: a prospective feasibility study.
Miller MacPherson1, Lynn Montgomery, Greg Fox
1The Ottawa Hospital Cancer Centre, Ottawa, Ontario, Canada. mmacpherson@ottawahospital.on.ca
Summary
Rapid radiation therapy delivery can benefit palliative care patients. Helical tomotherapy enabled scanning, planning, and treatment in a single, one-hour appointment for the first fraction.
Area of Science:
- Radiation Oncology
- Medical Physics
Background:
- Rapid delivery of radiation therapy is crucial for palliative care patients.
- Helical tomotherapy offers advanced capabilities for precise radiation delivery.
Purpose of the Study:
- To assess the feasibility of integrating scanning, treatment planning, and radiation delivery into a single appointment using helical tomotherapy.
- To determine if this integrated approach can be completed within a standard palliative radiation therapy appointment timeframe.
Main Methods:
- Eleven patients underwent a single-session workflow involving MVCT scanning, treatment planning, and helical tomotherapy delivery.
- Timelines for each process step (scanning, planning, delivery) were meticulously recorded.
- Process durations were compared against conventional treatment workflows for similar patient cohorts.
Main Results:
- The integrated helical tomotherapy workflow, encompassing scanning, planning, and delivery, was successfully implemented.
- Preliminary findings indicate that patients can typically complete their first radiation fraction within a one-hour appointment.
- This rapid treatment delivery demonstrates the potential for improved patient convenience and workflow efficiency.
Conclusions:
- Employing helical tomotherapy for a single-session, rapid radiation therapy delivery is feasible for palliative patients.
- The one-hour appointment timeframe for the first fraction suggests a significant improvement in efficiency and patient experience.
- This approach holds promise for streamlining palliative radiation oncology services.

