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Virtual reality-guided simulation of brachytherapy: Two case reports
Kae Okuma1, Hiroki Nakayama2, Madoka Sakuramachi1
1Department of Radiation Oncology, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku Tokyo, 104-0045, Japan.
Journal of Contemporary Brachytherapy
|June 9, 2025
Summary
Virtual reality (VR) pre-simulation improves brachytherapy planning in complex cases. This technology enhances anatomical understanding, multi-disciplinary communication, and precise applicator placement for better treatment outcomes.
Area of Science:
- Oncology
- Medical Imaging
- Virtual Reality
Background:
- Brachytherapy demands precise applicator placement, often challenging in complex anatomical regions with standard imaging.
- Virtual reality (VR) offers potential for enhanced pre-procedural simulation and planning.
Observation:
- Two challenging brachytherapy cases utilized VR pre-simulation for planning: a recurrent iliac region tumor invading the sacrum and a floor of the mouth cancer.
- VR facilitated multi-disciplinary communication and optimized needle placement in the iliac case.
- VR enabled precise needle insertion and procedural consistency for the head and neck case, even for unfamiliar practitioners.
Findings:
- VR pre-simulation significantly improved anatomical understanding and procedural planning in complex brachytherapy cases.
- The technology enhanced multi-disciplinary coordination and optimized applicator/needle placement.
- VR integration led to safer and more accurate brachytherapy procedures.
Implications:
- Virtual reality is a valuable tool for enhancing brachytherapy planning and execution in challenging anatomical sites.
- Integrating VR into brachytherapy workflows can improve overall treatment precision and patient safety.
- VR-assisted planning holds promise for advancing oncological treatments across diverse anatomical regions.

