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The Electronic View Box: a software tool for radiation therapy treatment verification
W R Bosch1, D A Low, R L Gerber
1Radiation Oncology Center, Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO 63110.
International Journal of Radiation Oncology, Biology, Physics
|January 1, 1995
Summary
A new Electronic View Box (EVB) software tool electronically verifies radiation therapy treatment plans. It allows side-by-side image comparison and electronic communication of corrections, improving upon conventional light box methods.
Area of Science:
- Medical Physics
- Radiation Oncology
- Software Engineering
Background:
- Current radiation therapy treatment plan verification relies on physical light boxes.
- This traditional method can be time-consuming and lacks advanced digital features.
- There is a need for more efficient and interactive verification tools.
Purpose of the Study:
- To develop an Electronic View Box (EVB) software tool for interactive verification of radiation therapy treatment plan implementation.
- To replicate the functionality of a physical light box in an electronic format.
- To introduce novel features beyond conventional verification practices.
Main Methods:
- The EVB tool was developed using ANSI C and the X window system.
- It adheres to NCI-sponsored Radiation Therapy Planning Tools Collaborative Working Group specifications for portability.
- The user interface was iteratively refined using a graphical user interface prototyping system.
Main Results:
- The EVB tool offers hierarchical image selection and side-by-side display of prescription and portal images.
- Features include independent grayscale controls, image tracing, distance measurement, and zoom functionality.
- It enables electronic communication of evaluation results and required corrections.
Conclusions:
- The EVB tool streamlines the comparison of prescription and portal images.
- It facilitates rapid electronic communication of necessary corrections for port shape and positioning.
- This digital approach enhances the efficiency of treatment plan verification.