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Visualization of wr...
Visualization of wrist anatomy - a comparison between 7T and 3T MRI
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- Götestrand, Simon (author)
- Lund University,Lunds universitet,Muskuloskeletal radiologi,Forskargrupper vid Lunds universitet,Lund University Research Groups,Skåne University Hospital
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- Björkman, Anders (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för kirurgi,Institute of Clinical Sciences, Department of Surgery,Sahlgrenska Academy,Sahlgrenska University Hospital
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- Björkman-Burtscher, Isabella (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för radiologi,Institute of Clinical Sciences, Department of Radiology,Sahlgrenska University Hospital,Sahlgrenska Academy
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- Kristiansson, I. (author)
- Skåne University Hospital
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- Aksyuk, E. (author)
- Lund University,Skåne University Hospital
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- Szaro, Pavel, 1981 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för radiologi,Institute of Clinical Sciences, Department of Radiology,Sahlgrenska Academy
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- Markenroth Bloch, Karin (author)
- Lund University,Lunds universitet,Lund University Bioimaging Center,Medicinska fakulteten,Faculty of Medicine
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- Geijer, Mats, 1957 (author)
- Lund University,Lunds universitet,Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för radiologi,Institute of Clinical Sciences, Department of Radiology,Diagnostisk radiologi, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Diagnostic Radiology, (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Sahlgrenska Academy,Sahlgrenska University Hospital
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(creator_code:org_t)
- 2021-08-11
- 2022
- English.
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In: European Radiology. - : Springer Science and Business Media LLC. - 0938-7994 .- 1432-1084. ; 32:2, s. 1362-1370
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Abstract
Subject headings
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- Objective Injuries to the wrist are, due to its small size and complex anatomical structures, difficult to assess by MR, and surgical interventions such as diagnostic arthroscopy are often necessary. Therefore, improved visualization using non-invasive methods could be of clinical value. As a first step of improvement, the purpose of this study was to evaluate visualization of anatomical structures at 7T compared with 3T MR. Methods Eighteen healthy volunteers (three males and three females from each age decade between 20 and 49 years) were examined with 7T and 3T MR. Four musculoskeletal radiologists graded 2D and 3D images on a five-level grading scale for visibility of ligaments, cartilage, nerves, trabecular bone, and tendons, as well as overall image quality (i.e., edge sharpness, perceived tissue contrast, and presence of artefacts). Statistical analysis was done using a visual grading characteristics (VGC) analysis. Results Visibility of cartilage, trabecular bone, tendons, nerves, and ligaments was graded significantly higher at 7T with an area under the curve (AUC(VGC)) of 0.62-0.88 (95% confidence interval [CI] 0.50-0.97, p = < 0.0001-0.03) using either 2D or 3D imaging. Imaging with 3T was not graded as superior to 7T for any structure. Image quality was also significantly superior at 7T, except for artefacts, where no significant differences were found. Conclusions Tendons, trabecular bone, nerves, and ligaments were all significantly better visualized at 7T compared to 3T.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kirurgi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Surgery (hsv//eng)
Keyword
- Carpal joints
- Triangular fibrocartilage
- Ligaments
- Cartilage
- articular
- Area under curve
- quantitative assessment
- trabecular bone
- array
- coil
- arthrography
- echo
- hand
- 3.0t
- Radiology
- Nuclear Medicine & Medical Imaging
- Cartilage, articular
Publication and Content Type
- ref (subject category)
- art (subject category)
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