| Prevalence of Triangular Fibrocartilage Abnormalities on MRI Scans of Asymptomatic Wrists. | |
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MedLine Citation:
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PMID: 22129657 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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PURPOSE: Magnetic resonance imaging (MRI) of the wrist is increasingly used in the diagnosis of ulnar-sided wrist pain; however, its efficacy in this setting still needs clarification. The purposes of this study were to investigate the prevalence of abnormal MRI findings in the triangular fibrocartilage complex (TFCC) in asymptomatic volunteers and to provide the clinician with comparative data when interpreting MRI results. METHODS: A total of 103 asymptomatic volunteers underwent imaging of the wrist using a 1.9-T MR scanner and a send-receive birdcage quadrature coil. The images were evaluated by 3 independent interpreters, 2 musculoskeletal radiologists and 1 orthopedic hand surgeon. We noted details regarding the TFCC morphology and the presence, characteristics, and location of any TFCC abnormality. RESULTS: The TFCC was considered abnormal in 39 wrists. The scans were abnormal in 31 subjects younger than 50 years of age, in 5 subjects 50 to 59 years of age, and in all subjects older than 60 years of age (3 subjects). We diagnosed a complete tear of the TFCC in 23 wrists. An increase in age was correlated with an abnormal TFCC (r(pb) = 0.23; P = .016). CONCLUSIONS: The prevalence of incidental TFCC findings in MRI scans of asymptomatic subjects is high. The presence of an abnormal TFCC on MRI may be of questionable clinical meaning, because there is a high incidence of TFCC abnormalities in asymptomatic subjects, particularly those over the age of 50. Imaging results must be viewed in the context of the clinical history and physical examination. TYPE OF STUDY/LEVEL OF EVIDENCE: Diagnostic III. |
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Authors:
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Sorin D Iordache; Robert Rowan; Greg J Garvin; Said Osman; Ruby Grewal; Kenneth J Faber |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-28 |
Journal Detail:
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Title: The Journal of hand surgery Volume: - ISSN: 1531-6564 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-12-1 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7609631 Medline TA: J Hand Surg Am Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 American Society for Surgery of the Hand. Published by Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Surgery, Hand and Upper Limb Centre, and the Department of Radiology, University of Western Ontario, London, Ontario, Canada. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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