| Application of 3-dimensional ultrasonography in assessing carpal tunnel syndrome. | |
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MedLine Citation:
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PMID: 21193699 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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OBJECTIVES: The aim of study was to assess the usefulness of 3D ultrasonography (3DUS) in the diagnosis of carpal tunnel syndrome. METHODS: Fifty patients with carpal tunnel syndrome confirmed by electromyography and 37 healthy control participants underwent 3DUS of the wrists. The mean times per participant for the 3DUS examination and review of the 3D volume set were recorded. The cross-sectional area at the proximal carpal tunnel and the maximum swelling point were measured. Data from patients and controls were compared for determination of statistical significance. The accuracy of the 3DUS diagnostic criteria for carpal tunnel syndrome was evaluated using receiver operating characteristic analysis, and changes in the median nerve shape, including the maximum swelling point, were assessed by review of the 3D volume data. RESULTS: The mean times for examination of a participant and review in each wrist were 56 seconds and 5.7 minutes, respectively. Significant differences were observed in the mean cross-sectional areas of the median nerve between patients and controls. The mean cross-sectional areas ± SD were 16.7 ± 6.7 mm(2) in patients and 8.3 ± 1.9 mm(2) in controls. Using the receiver operating characteristic curve, a cutoff value of greater than 10.5 mm(2) provided diagnostic sensitivity of 84% and specificity of 86%. In 42 of 73 wrists with carpal tunnel syndrome, the median nerve showed fusiform morphologic abnormalities and maximum swelling points. CONCLUSIONS: Our results show that 3DUS could markedly decrease scanning time, and measurement of the median nerve cross-sectional area combined with morphologic analysis using 3DUS is a promising supplementary method for the diagnosis of carpal tunnel syndrome. |
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Authors:
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Sung Bum Pyun; Chang Ho Kang; Joon Shik Yoon; Hee Kyu Kwon; Jung Hyuk Kim; Kyoo Byung Chung; Yu Whan Oh |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine Volume: 30 ISSN: 1550-9613 ISO Abbreviation: J Ultrasound Med Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-01-03 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8211547 Medline TA: J Ultrasound Med Country: United States |
Other Details:
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Languages: eng Pagination: 3-10 Citation Subset: IM |
Affiliation:
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Department of Physical Medicine and Rehabilitation, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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