Dual-Energy CT for the Musculoskeletal System
Abstract
The principal advantages of dual-energy computed tomography (CT) over conventional CT in the musculoskeletal setting relate to the additional information provided regarding tissue composition, artifact reduction, and image optimization. This article discusses the manifestations of these in clinical practice-urate and bone marrow edema detection, metal artifact reduction, and tendon analysis, with potential in arthrography, bone densitometry, and metastases surveillance. The basic principles of dual-energy CT physics and scanner design will also be discussed. © RSNA, 2016.
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DECT uses virtual non-calcium imaging to enable material breakdown and visualization of bone marrow edema-like signal intensity.
“While conventional CT emphasizes subchondral sclerosis, osteophytes, and cysts, DECT uses virtual non-calcium imaging to enable the material breakdown and visualization of bone marrow edema-like signal intensity (ELMSI) [75].”
From Biomarker-Guided Imaging and AI-Augmented Diagnosis of Degenerative Joint Disease (2025) · cites this paper as [75]
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References 122 · Cited by 242
- Authors
- Mallinson, P. I., Coupal, T. M., McLaughlin, P. D., Nicolaou, S., Munk, P. L., & Ouellette, H. A.
- Affiliations
- University of British Columbia (CA)
- Venue
- Radiology
- Published
- 2016-12
- Volume
- 281
- Issue
- 3
- Pages
- 690-707
- ISSN
- 0033-8419 (ISSN-L)
- 1527-1315
- OpenAlex
- W2551262871
- Cited by
- 242
- References
- 122
- Citations by year
- 2026: 9 · 2025: 20 · 2024: 33 · 2023: 25 · 2022: 28 · 2021: 23 · 2020: 42 · 2019: 27 · 2018: 23 · 2017: 12
- FWCI
- 1.48
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Radiology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Advanced X-ray and CT Imaging
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Medical Imaging Techniques and Applications
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Cardiac Imaging and Diagnostics
- Keywords
- dual-energy CT, musculoskeletal imaging, bone marrow edema, metal artifact reduction, tendon imaging, arthrography, bone densitometry, CT scanner design, tissue composition
- MeSH terms
- Adult, Aged, Arthrography, Bone Marrow Diseases, Collagen, Edema, Female, Gout, Humans, Intervertebral Disc, Ligaments, Male, Metals, Middle Aged, Musculoskeletal Diseases, Musculoskeletal System, Tomography, X-Ray Computed, Uric Acid, Bone Density, Radiography, Dual-Energy Scanned Projection, Artifacts
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