| Power Doppler ultrasonography and synovitis: correlating ultrasound imaging with histopathological findings and evaluating the performance of ultrasound equipments. | |
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MedLine Citation:
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PMID: 16707536 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: To examine the validity of power Doppler ultrasound imaging to identify synovitis, using histopathology as gold standard, and to assess the performance of ultrasound equipments. METHODS: 44 synovial sites in small and large joints, bursae and tendon sheaths were depicted with ultrasound. A synovial biopsy was performed on the site depicted and a synovial sample was taken for histopathological evaluation. The performance of three ultrasound devices was tested using flow phantoms. RESULTS: A positive Doppler signal was detected in 29 of 35 (83%) of the patients with active histological inflammation. In eight additional samples, histological examination showed other pathological synovial findings and a Doppler signal was detected in five of them. No significant correlation was found between the amount of Doppler signal and histological synovitis score (r = 0.239, p = NS). The amount of subsynovial infiltration of polymorphonuclear leucocytes and surface fibrin correlated significantly with the amount of power Doppler signal: r = 0.397 (p<0.01) and 0.328 (p<0.05), respectively. The ultrasound devices differed in showing the smallest detectable flow. CONCLUSIONS: A negative Doppler signal does not exclude the possibility of synovitis. A positive Doppler signal in the synovium is an indicator of an active synovial inflammation in patients. A Doppler signal does not correlate with the extent of the inflammation and it can also be seen in other synovial reactions. It is important that the quality measurements of ultrasound devices are reported, because the results should be evaluated against the quality of the device used. |
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Authors:
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J M Koski; S Saarakkala; M Helle; U Hakulinen; J O Heikkinen; H Hermunen |
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Publication Detail:
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Type: Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't Date: 2006-05-17 |
Journal Detail:
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Title: Annals of the rheumatic diseases Volume: 65 ISSN: 0003-4967 ISO Abbreviation: Ann. Rheum. Dis. Publication Date: 2006 Dec |
Date Detail:
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Created Date: 2006-11-19 Completed Date: 2006-12-14 Revised Date: 2010-09-15 |
Medline Journal Info:
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Nlm Unique ID: 0372355 Medline TA: Ann Rheum Dis Country: England |
Other Details:
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Languages: eng Pagination: 1590-5 Citation Subset: IM |
Affiliation:
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Department of Internal Medicine, Mikkeli Central Hospital, Porrassalmenkatu 35-37, 50100 Mikkeli, Finland. f.koski@fimnet.fi |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Antirheumatic Agents / therapeutic use Arthritis / drug therapy, ultrasonography Biopsy Female Humans Male Middle Aged Phantoms, Imaging Quality Assurance, Health Care / methods Reproducibility of Results Severity of Illness Index Synovitis / pathology, ultrasonography* Transducers / standards Ultrasonography, Doppler / instrumentation*, methods, standards |
| Chemical | |
Reg. No./Substance:
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0/Antirheumatic Agents |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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