ArticleDiagnostics (Basel, Switzerland)2024
Comparison of Bone Evaluation and Metal Artifact between Photon-Counting CT and Five Energy-Integrating-Detector CT under Standardized Conditions Using Cadaveric Forearms.
Article in Diagnostics (Basel, Switzerland), 2024. 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.
- Radiation dose and signal-to-noise ratio in pediatric head CT: a phantom study comparing photon-counting and energy-integrating detectors.Neuroradiology · 2026Article
- Photon-counting CT: image quality evaluation in patients with tibial plateau fracture treated with metallic osteosynthesis material.European radiology experimental · 2026Article
- Reduction of CT number location dependency using photon-counting detector CT and virtual monoenergetic imaging.Physics in medicine and biology · 2026Article
- CT Evaluation of Lumbar Interbody Fusion: A Comprehensive Review with an Integrated Framework for Principle-Based Interpretation.Diagnostics (Basel, Switzerland) · 2026Review
- Photon-Counting Micro-CT for Bone Morphometry in Murine Models.Tomography (Ann Arbor, Mich.) · 2025Article
- Metal artifact reduction and contrast agent performance as a function of source spectral shape.Physics in medicine and biology · 2025Article
- Assessment of metal artifacts from titanium wrist prostheses: photon-counting versus energy-integrating detector CT.European radiology experimental · 2025Article
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTo compare the potential of various bone evaluations by considering photon-counting CT (PCCT) and multiple energy-integrating-detector CT (EIDCT), including three dual-energy CT (DECT) scanners with standardized various parameters in both standard resolution (STD) and ultra-high-resolution (UHR) modes.
methodsFour cadaveric forearms were scanned using PCCT and five EIDCTs, by applying STD and UHR modes. Visibility of bone architecture, image quality, and a non-displaced fracture were subjectively scored against a reference EIDCT image by using a five-point scale. Image noise, signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) were also compared. To assess metal artifacts, a forearm with radial plate fixation was scanned by with and without Tin filter (Sn+ and Sn-), and virtual monoenergetic image (VMI) at 120 keV was created. Regarding Sn+ and VMI, images were only obtained from the technically available scanners. Subjective scores and the areas of streak artifacts were compared.
resultsPCCT demonstrated significantly lower noise (
conclusionsUnder standardized conditions, while PCCT had almost no subjective superiority in visualizing bone structures and fracture line when compared to EIDCTs, it outperformed in quantitative analysis related to image quality, especially in lower noise and higher tissue contrast. When using PCCT to assess cases with metal implants, it may be recommended to use VMIs to minimize the possible tendency for artifact to be pronounced.
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