2000
DOI: 10.1002/1529-0131(200006)43:6<1378::aid-anr23>3.0.co;2-h
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Computer‐based methods for measuring joint space and estimating erosion volume in the finger and wrist joints of patients with rheumatoid arthritis

Abstract: Objective. This study was conducted 1) to determine the feasibility of using computer programs to measure radiographic joint space width and estimate erosion volume in the hands of patients with rheumatoid arthritis (RA), and 2) to compare the new computer-based methods with established scoring methods. Methods. To measure the joint space width in the finger and wrist joints of RA patients, hand and wrist radiographic films were scanned using a tabletop scanner and analyzed with programs written using the "mac… Show more

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Cited by 79 publications
(51 citation statements)
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“…Previous techniques used for joint space analysis have not been able to provide consistently accurate estimates for affected finger joints caused by distinctive disease-related abnormalities. 9 Furthermore, the proximal interphalangeal joint should be not considered, because these joints show a bicompartmental configuration resulting in a varied width of each compartment dependent on minor rotation of the hand. Therefore establishing normative data and estimating minimal diseaserelated changes is limited in this articulation.…”
Section: Y16mentioning
confidence: 99%
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“…Previous techniques used for joint space analysis have not been able to provide consistently accurate estimates for affected finger joints caused by distinctive disease-related abnormalities. 9 Furthermore, the proximal interphalangeal joint should be not considered, because these joints show a bicompartmental configuration resulting in a varied width of each compartment dependent on minor rotation of the hand. Therefore establishing normative data and estimating minimal diseaserelated changes is limited in this articulation.…”
Section: Y16mentioning
confidence: 99%
“…Therefore establishing normative data and estimating minimal diseaserelated changes is limited in this articulation. 9 Using digital hand radiographs, this study evaluated the ability of making precise measurements of the radiographic visible joint space distances of the metacarpalYphalangeal articulation in any grade of RA via the Radiogrammetry Kit, and of quantifying the periarticular demineralization via DXR in the course of RA. Our technique should help to identify those patients with RA who are going to develop joint damage before major erosions occur and to consecutively optimize the individual therapeutic strategies.…”
Section: Y16mentioning
confidence: 99%
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“…Hauptaufgabe des Scorens ist demnach die Quantifizierung der Destruktion. Versuche mittels Computertechnik die Destruktionen zu messen waren bisher wenig erfolgreich (2). Die semi-quantitativen ScoringMethoden erfassen insbesondere die erosiven Verän-derungen.…”
Section: Grundlagen Und Prinzip Der Scoring-methodenunclassified
“…New advances in computer-aided diagnosis (CAD) have led to signiWcant improvements in the Weld of radiogeometrical analysis of joint space widths [7], in particular for the Wnger joint space widths in patients with osteoarthritis and rheumatoid arthritis [8][9][10][11][12][13][14][15][16][17]. The computer-aided joint space analysis (CAJSA) is a recently developed CAD-technique for semiautomated measurements of joint space widths at the Wnger articulations [18].…”
Section: Introductionmentioning
confidence: 99%