Ann Rheum Dis 2001;60:98-104 ( February )

Pictorial essay

Ultrasonography in the evaluation of bone erosions W Grassi, E Filippucci, A Farina, F Salaffi, C Cervini

Department of Rheumatology, University of Ancona, Italy

Correspondence to: Professor W Grassi, Clinica Reumatologica, Università degli Studi di Ancona, Ospedale "A Murri", Via dei Colli 52, 60035 Jesi (AN), Italy reuman{at}popcsi.unian.it

Accepted for publication 16 August 2000

OBJECTIVETo demonstrate the diagnostic efficacy of ultrasonography in depicting erosions in patients with rheumatoid arthritis and to compare sonographic and radiographic findings.
METHODSSonographic images were obtained with an AU-4 Idea Esaote Biomedica (Genoa, Italy) equipped with a 13 MHz linear transducer.
RESULTSThe images reported in this essay are representative examples of the ability of ultrasonography to detect and characterise even minimal bone margin changes in rheumatoid arthritis.
CONCLUSIONUltrasonography with very high frequency transducers can depict bone erosions in early target areas of bone resorption. However, further studies are needed to validate this technique and to evaluate the relation between sonographic findings and those obtained with other imaging techniques (standard radiology, magnetic resonance).

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© 2001 by Annals of the Rheumatic Diseases
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Ultrasonographic bone changes are really two stages {types}

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