Some devices for computed tomography radiotherapy treatment planning

Area of Science:

• Medical Physics
• Radiotherapy Technology

Background:

• Accurate radiotherapy planning is crucial for effective cancer treatment.
• Computed tomography (CT) is a standard imaging modality for radiotherapy planning.

Purpose of the Study:

• To describe simple, practical technical devices for enhancing radiotherapy planning using CT.
• To improve the precision and efficiency of treatment area localization.

Main Methods:

• Development of a wide, flat-topped plywood couch for patient positioning.
• Utilization of a poultice patch for marking the intended treatment area.
• Implementation of a Plexiglas scan level marker for consistent CT slice acquisition.
• Generation of reference anteroposterior radiographs via a conventional X-ray TV system.

Main Results:

• The described devices offer a straightforward approach to radiotherapy planning.
• The combination of physical markers and imaging techniques facilitates accurate treatment field definition.
• The methods provide a reproducible setup for CT-based radiotherapy planning.

Conclusions:

• Simple technical innovations can significantly support radiotherapy planning processes.
• These devices contribute to improved accuracy in patient setup and treatment delivery.
• The reported methods are practical for clinical implementation in radiotherapy departments.