| Web-based calibration of observers using MRI of the temporomandibular joint. | |
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MedLine Citation:
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PMID: 22554988 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: Research diagnostic criteria for temporomandibular disorders (RDC/TMDs) were proposed in 1992 with the aim of standardizing and testing methods for diagnosing TMDs. RDC/TMDs have so far been lacking standardized methods for imaging and criteria for imaging diagnosis of disorders of the temporomandibular joint (TMJ). Criteria for disorders of the TMJ have recently been proposed for MRI. The aim of this study was to publish MR images of the TMJ on the web and to test the agreement of five observers using the criteria. METHODS: 20 cases of MRI of the TMJ were published on the web together with the criteria. The MR images were taken in closed and open mouth positions, and sagittal and coronal views. Five observers diagnosed disc position, disc shape, joint effusion and loose calcified bodies in the TMJ. RESULTS: In all cases except one, three or more observers agreed upon the diagnosis. All agreed on whether a loose calcified body was present or not. The second best agreement was obtained for disc position in the sagittal view, where all observers agreed in 16 of the 20 cases. For disc position in the coronal view and the evaluation of the disc shape, observer agreement was lower. CONCLUSION: Criteria were useful in order to standardize and simplify evaluation and thereby probably increase the diagnostic outcome among different observers for MRI of the TMJ. We recommend that the criteria be used internationally to facilitate comparisons between different studies. |
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Authors:
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K Hellén-Halme; L Hollender; M Janda; A Petersson |
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Publication Detail:
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Type: Journal Article Date: 2012-05-03 |
Journal Detail:
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Title: Dento maxillo facial radiology Volume: 41 ISSN: 0250-832X ISO Abbreviation: Dentomaxillofac Radiol Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2012-11-20 Completed Date: 2013-02-12 Revised Date: 2013-04-16 |
Medline Journal Info:
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Nlm Unique ID: 7609576 Medline TA: Dentomaxillofac Radiol Country: England |
Other Details:
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Languages: eng Pagination: 656-61 Citation Subset: D |
Affiliation:
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Department of Oral and Maxillofacial Radiology, Faculty of Odontology, Malmö University, SE-205 06 Malmö, Sweden. kristina.hellen-halme@mah.se |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Calcinosis
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diagnosis Calibration Humans Internet* Joint Loose Bodies / diagnosis Magnetic Resonance Imaging / standards* Mandibular Condyle / pathology Observer Variation Radiographic Image Enhancement / methods Range of Motion, Articular / physiology Reference Standards Synovial Fluid Temporomandibular Joint / pathology* Temporomandibular Joint Disc / pathology Temporomandibular Joint Disorders / diagnosis* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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