Setup accuracy for prone and supine whole breast irradiation
- Author
- THOMAS MULLIEZ, AKOS GULYBAN (UGent) , Tom Vercauteren (UGent) , Annick Van Greveling (UGent) , Bruno Speleers (UGent) , Wilfried De Neve (UGent) and Liv Veldeman (UGent)
- Organization
- Abstract
- Purpose: To evaluate cone-beam computed tomography (CBCT) based setup accuracy and margins for prone and supine whole breast irradiation (WBI). Methods: Setup accuracy was evaluated on 3559 CBCT scans of 242 patients treated with WBI and uncertainty margins were calculated using the van Herk formula. Uni- and multivariate analysis on individual margins was performed for age, body mass index (BMI) and cup size. Results: The population-based margin in vertical (VE), lateral (LA) and longitudinal (LO) directions was 10.4/9.4/9.4 mm for the 103 supine and 10.5/22.4/13.7 mm for the 139 prone treated patients, being significantly (p < 0.01) different for the LA and LO directions. Multivariate analysis identified a significant (p < 0.05) correlation between BMI and the LO margin in supine position and the VE/LA margin in prone position. Conclusion: In this series, setup accuracy is significantly worse in prone compared to supine position for the LA and LO directions. However, without proper image-guidance, uncertainty margins of about 1 cm are also necessary for supine WBI. For patients with a higher BMI, larger margins are required.
- Keywords
- CAVITY, CLIPS, GUIDANCE, POSITION, Supine position, Breast radiotherapy, Prone position, Setup accuracy, Cone-beam computed tomography, BEAM COMPUTED-TOMOGRAPHY, IMAGE-GUIDED RADIOTHERAPY, CORRECTION PROTOCOL, PRECISION, CANCER PATIENTS, IMRT
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Citation
Please use this url to cite or link to this publication: http://hdl.handle.net/1854/LU-7137567
- MLA
- MULLIEZ, THOMAS, et al. “Setup Accuracy for Prone and Supine Whole Breast Irradiation.” STRAHLENTHERAPIE UND ONKOLOGIE, vol. 192, no. 4, 2016, pp. 254–59, doi:10.1007/s00066-016-0943-6.
- APA
- MULLIEZ, T., GULYBAN, A., Vercauteren, T., Van Greveling, A., Speleers, B., De Neve, W., & Veldeman, L. (2016). Setup accuracy for prone and supine whole breast irradiation. STRAHLENTHERAPIE UND ONKOLOGIE, 192(4), 254–259. https://doi.org/10.1007/s00066-016-0943-6
- Chicago author-date
- MULLIEZ, THOMAS, AKOS GULYBAN, Tom Vercauteren, Annick Van Greveling, Bruno Speleers, Wilfried De Neve, and Liv Veldeman. 2016. “Setup Accuracy for Prone and Supine Whole Breast Irradiation.” STRAHLENTHERAPIE UND ONKOLOGIE 192 (4): 254–59. https://doi.org/10.1007/s00066-016-0943-6.
- Chicago author-date (all authors)
- MULLIEZ, THOMAS, AKOS GULYBAN, Tom Vercauteren, Annick Van Greveling, Bruno Speleers, Wilfried De Neve, and Liv Veldeman. 2016. “Setup Accuracy for Prone and Supine Whole Breast Irradiation.” STRAHLENTHERAPIE UND ONKOLOGIE 192 (4): 254–259. doi:10.1007/s00066-016-0943-6.
- Vancouver
- 1.MULLIEZ T, GULYBAN A, Vercauteren T, Van Greveling A, Speleers B, De Neve W, et al. Setup accuracy for prone and supine whole breast irradiation. STRAHLENTHERAPIE UND ONKOLOGIE. 2016;192(4):254–9.
- IEEE
- [1]T. MULLIEZ et al., “Setup accuracy for prone and supine whole breast irradiation,” STRAHLENTHERAPIE UND ONKOLOGIE, vol. 192, no. 4, pp. 254–259, 2016.
@article{7137567, abstract = {{Purpose: To evaluate cone-beam computed tomography (CBCT) based setup accuracy and margins for prone and supine whole breast irradiation (WBI). Methods: Setup accuracy was evaluated on 3559 CBCT scans of 242 patients treated with WBI and uncertainty margins were calculated using the van Herk formula. Uni- and multivariate analysis on individual margins was performed for age, body mass index (BMI) and cup size. Results: The population-based margin in vertical (VE), lateral (LA) and longitudinal (LO) directions was 10.4/9.4/9.4 mm for the 103 supine and 10.5/22.4/13.7 mm for the 139 prone treated patients, being significantly (p < 0.01) different for the LA and LO directions. Multivariate analysis identified a significant (p < 0.05) correlation between BMI and the LO margin in supine position and the VE/LA margin in prone position. Conclusion: In this series, setup accuracy is significantly worse in prone compared to supine position for the LA and LO directions. However, without proper image-guidance, uncertainty margins of about 1 cm are also necessary for supine WBI. For patients with a higher BMI, larger margins are required.}}, author = {{MULLIEZ, THOMAS and GULYBAN, AKOS and Vercauteren, Tom and Van Greveling, Annick and Speleers, Bruno and De Neve, Wilfried and Veldeman, Liv}}, issn = {{0179-7158}}, journal = {{STRAHLENTHERAPIE UND ONKOLOGIE}}, keywords = {{CAVITY,CLIPS,GUIDANCE,POSITION,Supine position,Breast radiotherapy,Prone position,Setup accuracy,Cone-beam computed tomography,BEAM COMPUTED-TOMOGRAPHY,IMAGE-GUIDED RADIOTHERAPY,CORRECTION PROTOCOL,PRECISION,CANCER PATIENTS,IMRT}}, language = {{eng}}, number = {{4}}, pages = {{254--259}}, title = {{Setup accuracy for prone and supine whole breast irradiation}}, url = {{http://doi.org/10.1007/s00066-016-0943-6}}, volume = {{192}}, year = {{2016}}, }
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