ArticleJournal of contemporary brachytherapy2023
Dosimetric impact of applicator displacement on three-dimensional image-guided high-dose-rate brachytherapy treatments for cervical cancer.
Article in Journal of contemporary brachytherapy, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Dosimetric evaluation of systematic source position uncertainty along the source path and robust planning during MRI-only cervical HDR brachytherapy.Journal of applied clinical medical physics · 2026Article
- Geometric accuracy of applicator and needle reconstruction in gynecological brachytherapy using low-field magnetic resonance imaging.Journal of contemporary brachytherapy · 2026Article
- Dosimetric impact of computed tomography slice thickness-induced applicator reconstruction uncertainties in three-dimensional brachytherapy for cervical cancer.Journal of contemporary brachytherapy · 2026Article
- A constraint-normalized robustness index for HDR brachytherapy.Medical physics · 2026Article
- Impact of rectal gas evacuation on dosimetry and applicator displacement in cervical cancer brachytherapy.Journal of applied clinical medical physics · 2026Article
- Dosimetric and clinical outcomes study of occult uterine tandem imperfect implantation in HDR-brachytherapy for cervical cancer.Scientific reports · 2025Article
- Impact of patient transfer system on applicator stability and dosimetry in cervical cancer brachytherapy.Journal of contemporary brachytherapy · 2025Article
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Authors and funding
4 authors.
Funding
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Abstract
Purpose: To determine the dosimetric impact of brachytherapy applicator displacement during intracavitary (IC) and combined intracavitary/interstitial (IC/IS) high-dose-rate brachytherapy in the treatment of cervical cancer. Material and methods: Data from 27 consecutively treated patients undergoing IC or IC/IS high-dose-rate brachytherapy with tandem and ovoid-based applicators at a single academic medical center were analyzed. Virtual applicator displacements (a single shift of whole applicator with tandem/ovoid/associated needles) of 0 (clinical position), 2, 5, 7, and 10 mm in the inferior direction were modeled on treatment planning CT or MRI scans, with maintaining the same dwell times. Radiation dose to target volumes (D Results: Mean dose to high-risk clinical target volume (HR-CTV) D Conclusions: Applicator displacements of 5 mm or greater result in statistically significant and clinically meaningful decreases in radiation dose to HR-CTV during 3-dimensional high-dose-rate brachytherapy treatment planning, with corresponding increase in radiation dose to the rectum. IC/IS applicator displacements lead to relatively greater differences than those of IC applicators.
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