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Validating a framework for Pinnacle plan conversion and archival
Samuel D Rusu1, Caiden Atienza1, Blake R Smith1
1Department of Radiation Oncology, University of Iowa, Iowa City, Iowa, USA.
Journal of Applied Clinical Medical Physics
|August 21, 2025
Summary
Sun Nuclear Gateway successfully converted Pinnacle treatment planning data to DICOM format, ensuring access to critical patient records after system support ends. This validated solution preserves essential treatment information for ongoing patient care.
Area of Science:
- Medical Physics
- Radiation Oncology
- Data Management
Background:
- Pinnacle treatment planning system support ends December 31, 2026.
- Access to historical patient treatment data is crucial for continued care.
- A validated method for accessing Pinnacle data is required.
Purpose of the Study:
- To validate Sun Nuclear Gateway as a solution for converting Pinnacle TAR data to DICOM format.
- To ensure continued access to patient treatment records beyond Pinnacle's support life.
- To archive over 20,000 patient treatment plans from multiple Pinnacle versions.
Main Methods:
- Utilized Sun Nuclear Gateway to convert Pinnacle TAR files to DICOM.
- Archived data including images, structures, and dose re-sampled to 2 mm.
- Validated conversion accuracy through quality checks and 3D gamma analysis (1%/1 mm).
Main Results:
- Successfully converted and archived data for 8 Pinnacle versions.
- Achieved an average 3D gamma pass rate of 99.96%.
- Observed a low conversion error rate of 0.5% after initial adjustments.
Conclusions:
- Sun Nuclear Gateway is a validated solution for converting Pinnacle TAR data to DICOM.
- This facilitates access to essential historical treatment planning data.
- Ensures continuity of care for patients treated with Pinnacle.
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