ArticleJournal of medical radiation sciences2024
Reduction of metal artefacts from bilateral hip prostheses during lower extremity computed tomography angiography: an experimental phantom study.
Article in Journal of medical radiation sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- CT protocols for lower limb arthroplasty: the Stanmore hip and knee protocols.EFORT open reviews · 2026Review
- The potential of high-Z contrast media for vessel visualization near metal implants: a photon-counting detector CT phantom study with virtual monoenergetic images and iterative metal artifact reduction.Quantitative imaging in medicine and surgery · 2026Article
- Clinical implications of lateral head mis-centering on eye lens dose in pediatric computed tomography examinations: a phantom study.Frontiers in medicine · 2026Article
- Assessment of Spectral Computed Tomography Image Quality and Detection of Lesions in the Liver Based on Image Reconstruction Algorithms and Virtual Tube Voltage.Diagnostics (Basel, Switzerland) · 2025Article
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Authors and funding
6 authors.
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Abstract
introductionImage quality reduction due to metallic artefacts is a significant challenge during vascular computed tomography (CT) imaging of the lower extremities in patients with hip prostheses. This study aims to analyse various reconstruction algorithms' ability to reduce metal artefacts due to two types of hip prostheses during lower extremity CT angiography examinations.
methodsA pelvis phantom was fabricated with the insertion of a tube filled with contrast media to simulate the femoral artery, and the phantom was then CT scanned with and without hip prostheses. Multimodal images were acquired using different kilovoltage peak (kVp) settings and reconstructed with different algorithms, such as filtered back projection (FBP), iterative reconstruction (iDose
resultsThe IMR approach significantly improved image quality compared to iDose
conclusionIMR combined with O-MAR could improve the CT angiography of the lower extremities of patients with a hip prosthesis.
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