| Thyroid volume measured by ultrasonography and CT. | |
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MedLine Citation:
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PMID: 12100323 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: To evaluate measurements of thyroid volume by two different US methods and CT in a blinded design. MATERIAL AND METHODS: Four observers evaluated 27 patients. Observer 1 used US and calculated thyroid volume based on recordings of cross-sections through the gland. Observer 2 used US and calculated the volume of each lobe as a rotation ellipsoid. Observers A and B used CT images and calculated thyroid volume based on recordings of cross-sections through the gland. All measurements were made twice. RESULTS: The median thyroid volume was 81 ml (range 7-470 ml) evaluated by CT. All three methods had fair reproducibility. When correlating the two different methods using US, an r of 0.837 was found. When correlating data from patients without intrathoracic goitre evaluated by US (Observer 1) and CT, r = 0.945. The method based on a rotation ellipsoid systematically produced smaller thyroid volumes than those of the cross-sectional method. Evaluation by US systematically produced smaller thyroid volumes than CT. CONCLUSION: Calculation of thyroid volume based on US recordings of cross-sectional areas is a reproducible method in patients without substernal goitre extension. The US method calculating thyroid volume as a rotation ellipsoid is less reproducible, especially in large goitres. Measurement of thyroid volume using CT should be preferred in goitres with substernal extension. |
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Authors:
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B Nygaard; T Nygaard; M Court-Payen; L Ingeman Jensen; P Søe-Jensen; K Gerhard Nielsen; M Fugl; L Hegedüs |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Acta radiologica (Stockholm, Sweden : 1987) Volume: 43 ISSN: 0284-1851 ISO Abbreviation: Acta Radiol Publication Date: 2002 May |
Date Detail:
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Created Date: 2002-07-08 Completed Date: 2002-08-09 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8706123 Medline TA: Acta Radiol Country: Denmark |
Other Details:
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Languages: eng Pagination: 269-74 Citation Subset: IM |
Affiliation:
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Department of Endocrinology, Herlev Hospital, University of Copenhagen, Denmark. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Aged, 80 and over Female Goiter / diagnosis Humans Male Middle Aged Reproducibility of Results Rotation Thyroid Gland / radiography*, ultrasonography* |
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