ArticleDiagnostics (Basel, Switzerland)2024
Photon-Counting Detector CT Virtual Monoenergetic Images in Cervical Trauma Imaging-Optimization of Dental Metal Artifacts and Image Quality.
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 8 papers.
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8 citing papers in PubMed, 8 citations in OpenAlex.
- Impact of virtual monoenergetic images on the assessability of lower extremity arteries in (Poly-) trauma photon-counting detector CT.Emergency radiology · 2026Article
- Plaque-Adapted Virtual Monoenergetic Image Selection for Carotid Plaque Visualization Using Photon-Counting CT.Diagnostics (Basel, Switzerland) · 2026Article
- Photon-counting CT: image quality evaluation in patients with tibial plateau fracture treated with metallic osteosynthesis material.European radiology experimental · 2026Article
- Optimization of dental implant imaging using photon-counting detector computed tomography in oral and maxillofacial surgery: an ex vivo study.European radiology experimental · 2026Article
- Virtual monoenergetic imaging for metal artifact reduction in dental implant surgery using photon-counting detector computed tomography.Imaging science in dentistry · 2026Article
- Artifact reduction and diagnostic value of monoenergetic reconstructions from split-filter and dual-layer spectral detector dual-energy CT in early gastric cancer with titanium clip localization.BMC medical imaging · 2025Article
- Advancing Aortic Dissection Imaging: First Clinical Experience of Photon-Counting CT with Ultra-Fast Spectral Imaging.Diagnostics (Basel, Switzerland) · 2025Article
- Comparison of cone-beam computed tomography with photon-counting detector computed tomography for dental implant surgery.International journal of implant dentistry · 2025Article
Corrections and comments
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Authors and funding
9 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesThe aim of this study was to analyze the extent of dental metal artifacts in virtual monoenergetic (VME) images, as they often compromise image quality by obscuring soft tissue affecting vascular attenuation reducing sensitivity in the detection of dissections.
methodsNeck photon-counting CT datasets of 50 patients undergoing contrast-enhanced trauma CT were analyzed. Hyperattenuation and hypoattenuation artifacts, muscle with and without artifacts and vessels with and without artifacts were measured at energy levels from 40 keV to 190 keV. The corrected artifact burden, corrected image noise and artifact index were calculated. We also assessed subjective image quality on a Likert-scale.
resultsOur study showed a lower artifact burden and less noise in artifact-affected areas above the energy levels of 70 keV for hyperattenuation artifacts (conventional polychromatic CT images 1123 ± 625 HU vs. 70 keV VME 1089 ± 733 HU,
conclusionsOur research suggests 70 keV might be the best compromise for reducing metal artifacts affecting vascular structures and preventing vascular contrast if solely using VME reconstructions. VME imaging shows only significant effects on the general artifact burden. Vascular structures generally experience fewer metal artifacts than soft tissue due to their greater distance from the teeth, which are a common source of such artifacts.
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