ArticleJournal of applied clinical medical physics2023
Effect of scattered megavoltage x-rays on markerless tumor tracking using dual energy kilovoltage imaging.
Article in Journal of applied clinical medical physics, 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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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed.
- Assessing the technical capability of a room- and a gantry-mounted kV imaging device for intra-fractional fluoroscopy during stereotactic lung radiotherapy at a C-arm linear accelerator.Physics and imaging in radiation oncology · 2026Article
- Evaluation of the reliability of markerless tumor tracking with single-energy and dual-energy imaging using machine learning.Journal of applied clinical medical physics · 2026Article
- Affordable realtime respiratory monitoring system for radiation oncology.Journal of applied clinical medical physics · 2025Article
- Use of a deep learning neural network to generate bone suppressed images for markerless lung tumor tracking.Medical physics · 2025Article
- Evaluation of novel detector readout modes for MV scatter reduction on kV images.Medical physics · 2025Article
- Dual-energy computed tomography imaging with megavoltage and kilovoltage X-ray spectra.Journal of medical imaging (Bellingham, Wash.) · 2024Article
- Effect of scattered megavoltage x-rays on markerless tumor tracking using dual energy kilovoltage imaging.Journal of applied clinical medical physics · 2023Article
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
purposeTo determine the effect of megavoltage (MV) scatter on the accuracy of markerless tumor tracking (MTT) for lung tumors using dual energy (DE) imaging and to consider a post-processing technique to mitigate the effects of MV scatter on DE-MTT.
methodsA Varian TrueBeam linac was used to acquire a series of interleaved 60/120 kVp images of a motion phantom with simulated tumors (10 and 15 mm diameter). Two sets of consecutive high/low energy projections were acquired, with and without MV beam delivery. The MV field sizes (FS) ranged from 2 × 2 cm
resultsFor the 10 and 15 mm targets, the TSR for DE
conclusionMV scatter significantly impacts the tracking accuracy of lung tumors using DE images. Wavelet-FFT filtering can improve the accuracy of DE-MTT during treatment.
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Registered trials
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