ESTRO 2025 - Abstract Book

S1483

Clinical – Mixed sites & palliation

ESTRO 2025

Conclusion: Given the number of cases assessed to date, VMAT planning on previously acquired dCT scans provides acceptable target coverage to vertebral targets without unacceptable hot spots to organs at risk. Eliminating the need for a dedicated TPCT in such palliative cases has the potential to expedite treatment, reducing the burden on both the patient and radiotherapy resources.

Keywords: diagnostic CT, rapid access, sim-free radiotherapy

References: Dennis K, Linden K, Zohr R, et al. A pre-implementation study of volumetric modulated arc therapy for same-day planning and treatment of vertebral bone metastases within a rapid-access palliative radiotherapy programme. Clin Oncol. 2021; 33(10): 661 – 666. O’Neil M, Laba JM, Nguyen TK, et al. Diagnostic CT-enabled planning (DART): Results of a randomized trial in palliative radiation therapy. Int J Radiat Oncol Biol Phys . 2024;120(1):69-76. Wong S, Roderick S, Kejda A, et al. Diagnostic computed tomography enabled planning for palliative radiation therapy: Removing the need for a planning computed tomography scan. Pract Radiat Oncol. 2021;11(2):e146 – 53; 2021.