Articles with "dose reduction" as a keyword



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The use of needle holders in CTF guided biopsies as a dose reduction tool

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Published in 2018 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.12234

Abstract: Abstract Purpose The purpose of this study was to evaluate the efficacy of needle holders in reducing staff hand exposure during biopsies guided by computed tomography fluoroscopy (CTF), through the analysis of data acquired during… read more here.

Keywords: ctf guided; hand; needle holders; hand exposure ... See more keywords
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Evaluation of surface and shallow depth dose reductions using a Superflab bolus during conventional and advanced external beam radiotherapy

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Published in 2018 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.12269

Abstract: Abstract The purpose of this study was to evaluate a methodology to reduce scatter and leakage radiations to patients’ surface and shallow depths during conventional and advanced external beam radiotherapy. Superflab boluses of different thicknesses… read more here.

Keywords: surface shallow; radiotherapy; beam radiotherapy; dose reduction ... See more keywords
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Optic disc dose reduction in ocular brachytherapy using 125I notched COMS plaques: A simulation study based on current clinical practice

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Published in 2020 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.12966

Abstract: Abstract Purpose Although notched Collaborative Ocular Melanoma Study (COMS) plaques have been widely used, optic disc dose reduction by notched COMS plaques has not been discussed in the literature. Therefore, this study investigated optic disc… read more here.

Keywords: notched coms; disc dose; coms plaques; optic disc ... See more keywords
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Spectral CT quantification stability and accuracy for pediatric patients: A phantom study

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Published in 2021 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13161

Abstract: Abstract Background Spectral computed tomography (spectral CT) provides access to clinically relevant measures of endogenous and exogenous materials in patients. For pediatric patients, current spectral CT applications include lesion characterization, quantitative vascular imaging, assessments of… read more here.

Keywords: radiation dose; radiation; accuracy; stability ... See more keywords
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Head CT dose reduction with organ-based tube current modulation.

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Published in 2022 at "Medical physics"

DOI: 10.1002/mp.15467

Abstract: BACKGROUND A helical head CT examination uses a pitch factor (PF) of < 1.0, resulting in a part of the slice being directly irradiated twice. This raises the possibility of double irradiation, which may increase… read more here.

Keywords: double irradiation; tube current; dose reduction; based tube ... See more keywords
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Radiation dose reduction for musculoskeletal computed tomography of the pelvis with preserved image quality

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Published in 2018 at "Skeletal Radiology"

DOI: 10.1007/s00256-018-3039-9

Abstract: ObjectiveTo analyze the impact of pelvic computed tomography (CT) technique optimization on estimated dose and subjective and objective image quality.Materials and methodsAn institutional review board (IRB)-approved retrospective records review was performed with waived informed consent.… read more here.

Keywords: radiation dose; quality; image; image quality ... See more keywords
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CT radiation dose reduction in patients with total hip arthroplasties using model-based iterative reconstruction and orthopaedic metal artefact reduction

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Published in 2019 at "Skeletal Radiology"

DOI: 10.1007/s00256-019-03206-z

Abstract: ObjectiveTo evaluate the impact of radiation dose reduction on image quality in patients with metal-on-metal total hip arthroplasties (THAs) using model-based iterative reconstruction (MBIR) combined with orthopaedic metal artefact reduction (O-MAR).Materials and methodsPatients with metal-on-metal… read more here.

Keywords: reconstruction; reduction; radiation dose; metal ... See more keywords
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Dose reduction in abdominal CT: The road to submillisievert imaging

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Published in 2018 at "European Radiology"

DOI: 10.1007/s00330-018-5397-z

Abstract: This editorial comment refers to the article: Can We Perform CT of the Appendix with Less than 1 mSv? A De-escalating Dose-simulation Study. Park JH, et al., Eur Radiol, Dec 7, 2017. read more here.

Keywords: reduction abdominal; abdominal road; road submillisievert; submillisievert imaging ... See more keywords
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Advanced Modeled Iterative Reconstruction (ADMIRE) Facilitates Radiation Dose Reduction in Abdominal CT.

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Published in 2018 at "Academic radiology"

DOI: 10.1016/j.acra.2018.01.014

Abstract: RATIONALE AND OBJECTIVES This study aimed to determine the potential degree of radiation dose reduction achievable using Advanced Modeled Iterative Reconstruction (ADMIRE) in abdominal computed tomography (CT) while maintaining image quality. Moreover, this study compared… read more here.

Keywords: reduction; radiation dose; contrast; admire ... See more keywords
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The Effect of Dose Reduction on Overall Image Quality in Clinical Chest Tomosynthesis.

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Published in 2020 at "Academic radiology"

DOI: 10.1016/j.acra.2020.05.041

Abstract: RATIONALE AND OBJECTIVES To evaluate the effect of reduction in effective dose on the reproduction of anatomical structures in chest tomosynthesis (CTS). MATERIALS AND METHODS Twenty-four CTS examinations acquired at exposure settings resulting in an… read more here.

Keywords: reduction; image quality; chest tomosynthesis; dose reduction ... See more keywords
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New image quality and dose reduction technique for pediatric digital radiography.

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Published in 2021 at "Diagnostic and interventional imaging"

DOI: 10.1016/j.diii.2021.01.009

Abstract: PURPOSE The purpose of this study was to test a new post-processing and denoising engine for patient dose reduction while maintaining diagnostic image quality (IQ) in pediatric digital radiography (DR). MATERIALS AND METHODS Pediatric DR… read more here.

Keywords: pediatric digital; reduction; dose reduction; image quality ... See more keywords