ArticleJournal of applied clinical medical physics2018
On the improvement of CBCT image quality for soft tissue-based SRS localization.
Article in Journal of applied clinical medical physics, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 17 citations in OpenAlex.
- Development of a patient-specific cone-beam computed tomography dose optimization model using machine learning in image-guided radiation therapy.Radiological physics and technology · 2025Article
- Characterization of a prototype rapid kilovoltage x-ray image guidance system designed for a linear accelerator radiation therapy unit.Journal of applied clinical medical physics · 2025Article
- Improved soft-tissue visibility on cone-beam computed tomography with an image-generating artificial intelligence model using a cyclic generative adversarial network.Oral radiology · 2024Article
- The effects of distance between the imaging isocenter and brain center on the image quality of cone-beam computed tomography for brain stereotactic irradiation.Physical and engineering sciences in medicine · 2024Article
- Implementation of a comprehensive set of optimised CBCT protocols and validation through imaging quality and dose audit.The British journal of radiology · 2022Article
- How does CBCT reconstruction algorithm impact on deformably mapped targets and accumulated dose distributions?Journal of applied clinical medical physics · 2021Article
- Dose Reduction and Low-Contrast Detectability Using Iterative CBCT Reconstruction Algorithm for Radiotherapy.Technology in cancer research & treatmentArticle
- Evaluation of In-room Volumetric Imaging Doses for Image-guided Radiotherapy: A Multi-institutional Study.Journal of medical physicsArticle
- Clinical Implementation and Accuracy Evaluation of a Novel Intrafraction Cone-beam Computed Tomography Technique for Stereotactic Radiosurgery and Radiotherapy.Journal of medical physicsArticle
Corrections and comments
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
Abstract
purposeWe explore the optimal cone-beam CT (CBCT) acquisition parameters to improve CBCT image quality to enhance intracranial stereotactic radiosurgery (SRS) localization and also assess the imaging dose levels associated with each imaging protocol.
methodsTwenty-six CBCT acquisition protocols were generated on an Edge
resultsThe Catphan data indicates that adjusting acquisition parameters had direct effects on the image noise level, low contrast detection, and CNR, but had minimal effects on uniformity, HU constancy, and spatial resolution. The noise level was reduced from 34.5 ± 0.3 to 18.5 ± 0.2 HU with a four-fold reduction in gantry speed, and to 18.7 ± 0.2 HU with a four-fold increase in tube current. Overall, the noise level was found to be proportional to inverse square root of imaging dose, and imaging dose was proportional to the product of total tube current-time product and the cube of the x-ray potential. Analysis of the anthropomorphic head phantom data and clinical SRS imaging data also indicates that noise is reduced with imaging dose increase.
conclusionsOur results indicate that optimization of the imaging protocol, and thereby an increase in the imaging dose, is warranted for improved soft-tissue visualization for intracranial SRS.
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