ESTRO 2024 - Abstract Book

S4024

Physics - Inter-fraction motion management and offline adaptive radiotherapy

ESTRO 2024

Figure 1: The difference in DVH parameters between the cCBCT and rCT relative to the prescribed dose. This data is based on the TP and TN patients, because the rCT and cCBCT was similar to each other.

Conclusion:

This study showed that the cCBCT can be used effectively as an alternative for the rCT to determine the need for a plan adaptation for local photon breast cancer patients.

Keywords: cCBCT, breast, prospective

References:

[1] T. E. Marchant, C. J. Moore, C. G. Rowbottom, R. I. MacKay, and P. C. Williams, “Shading correction algorithm for improvement of cone-beam CT images in radiotherapy,” Phys. Med. Biol., vol. 53, no. 20, pp. 5719–5733, 2008.

[2] V. C. Hamming, S. Andersson, J. H. Maduro, J. A. Langendijk, S. Both, and N. M. Sijtsema, “Daily dose evaluation based on corrected CBCTs for breast cancer patients: accuracy of dose and complication risk assessment,” Radiat. Oncol., vol. 17, no. 1, pp. 1–11, 2022.

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Digital Poster

Comparative analysis of Wax and 3D printed Bolus for Radiotherapy of the nose

Martin S Nielsen 1,2 , Christian S Kristensen 1 , Trine O Kirkegaard 1 , Maria Andersen 3