ArticleRadiation oncology (London, England)2019
A comparative study based on deformable image registration of the target volumes for external-beam partial breast irradiation defined using preoperative prone magnetic resonance imaging and postoperative prone computed tomography imaging.
Article in Radiation oncology (London, England), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 5 citations in OpenAlex.
- Article
- The application of multiple metrics in deformable image registration for target volume delineation of breast tumor bed.Journal of applied clinical medical physics · 2022Article
- Prior information guided auto-contouring of breast gland for deformable image registration in postoperative breast cancer radiotherapy.Quantitative imaging in medicine and surgery · 2021Article
- Improving deformable image registration with point metric and masking technique for postoperative breast cancer radiotherapy.Quantitative imaging in medicine and surgery · 2021Article
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8 authors at 1 institution in 1 country.
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Abstract
backgroundTo explore the differences and correlations between the target volumes defined using preoperative prone diagnostic magnetic resonance imaging (MRI) and postoperative prone computed tomography (CT) simulation imaging based on deformable image registration (DIR) for external-beam partial breast irradiation (EB-PBI) after breast-conserving surgery (BCS).
methodsEighteen breast cancer patients suitable for EB-PBI were enrolled. Preoperative prone diagnostic MRI and postoperative prone CT scan sets for all the patients were acquired during free breathing. Target volumes and ipsilateral breast were all contoured by the same radiation oncologist. The gross tumor volume (GTV) delineated on the preoperative MRI images was denoted as the GTV
resultsWhen based on the coincidence of the compared target centers, there were statistically significant increases in the conformity index (CI) and degree of inclusion (DI) values for GTV
conclusionsAlthough based on DIR, there was relatively poor spatial overlap between the preoperative prone diagnostic MRI images and the postoperative prone CT simulation images for either the whole breast or the target volumes. Therefore, it is unreasonable to use preoperative prone diagnostic MRI images to guide postoperative target delineation for EB-PBI.
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