| Multidetector computed tomography in acute knee injuries: assessment of cruciate ligaments with magnetic resonance imaging correlation. | |
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MedLine Citation:
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PMID: 17325934 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: To evaluate whether non-contrast multidetector computed tomography (MDCT) for suspected acute knee fractures can also be used to evaluate cruciate ligament pathology. MATERIAL AND METHODS: A total of 42 patients (17-65 years) underwent four-section MDCT. The images were independently evaluated at clinical workstations by four radiologists. They assessed the integrity (normal or torn) and the best slice direction (axial, sagittal, or coronal) for visualization of the cruciate ligaments. Magnetic resonance imaging (MRI), performed within 4 weeks (mean 6 days) in relation to MDCT, was considered the gold standard. RESULTS: Ligament integrity at MDCT: the mean interobserver proportion of agreement for a normal anterior cruciate ligament (ACL) was 0.73, for a torn ACL 0.41, for a normal posterior cruciate ligament (PCL) 0.96, and for a torn PCL 0.54. Interobserver variation for ACL was significant (P = 0.0136-0.0260), but insignificant for PCL (P = 0.3389-0.7212). Intra-observer variation was insignificant. Visualization was best in the axial and sagittal direction for ACL and PCL, respectively. At MRI, 29 normal, one partially, and 12 completely torn ACLs, and 37 normal, four partially and one completely torn PCL were found. CONCLUSION: MDCT can detect an intact ACL and PCL with good specificity, accuracy, and negative predictive value. The assessment of torn ligaments is unreliable. |
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Authors:
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A O T Mustonen; M P Koivikko; V V Haapamaki; M J Kiuru; A E Lamminen; S K Koskinen |
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Publication Detail:
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Type: Evaluation Studies; Journal Article |
Journal Detail:
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Title: Acta radiologica (Stockholm, Sweden : 1987) Volume: 48 ISSN: 0284-1851 ISO Abbreviation: Acta Radiol Publication Date: 2007 Feb |
Date Detail:
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Created Date: 2007-02-27 Completed Date: 2007-03-30 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8706123 Medline TA: Acta Radiol Country: Sweden |
Other Details:
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Languages: eng Pagination: 104-11 Citation Subset: IM |
Affiliation:
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Helsinki Medical Imaging Center, Department of Radiology, Helsinki University Central Hospital, Töölö Trauma Center, Topeliuksenkatu 5, FIN-00029 Helsinki, Finland. antti.mustonen@helsinki.fi |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acute Disease Adolescent Adult Aged Anterior Cruciate Ligament / pathology, radiography Female Finland Humans Image Processing, Computer-Assisted / methods Knee Injuries / diagnosis* Knee Joint / pathology, radiography Ligaments, Articular / pathology*, radiography* Magnetic Resonance Imaging / methods* Male Middle Aged Observer Variation Posterior Cruciate Ligament / pathology, radiography Predictive Value of Tests Reproducibility of Results Retrospective Studies Sensitivity and Specificity Tomography, X-Ray Computed / methods* |
| Comments/Corrections | |
Comment In:
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Acta Radiol. 2007 Feb;48(1):1
[PMID:
17325916
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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