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Tenosynovitis of the extensor carpi ulnaris tendon predicts erosive progression in early rheumatoid arthritis
  1. Siri Lillegraven1,
  2. Pernille Bøyesen1,
  3. Hilde Berner Hammer1,
  4. Mikkel Østergaard2,
  5. Till Uhlig1,
  6. Sølve Sesseng3,
  7. Tore K Kvien1,
  8. Espen A Haavardsholm1
  1. 1Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway
  2. 2Department of Rheumatology, Copenhagen University Hospital at Glostrup, Copenhagen, Denmark
  3. 3Department of Radiology, Diakonhjemmet Hospital, Oslo, Norway
  1. Correspondence to Siri Lillegraven, Department of Rheumatology, Diakonhjemmet Hospital, Box 23 Vinderen, N-0319 Oslo, Norway; siri.lillegraven{at}

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Studies have shown ultrasonographic findings to be associated with radiographic progression and relapse from clinical remission in rheumatoid arthritis (RA).1,,5 Our group has reported a predictive value of an overall ultrasonography score6 and a cross-sectional association between ultrasonographic erosions and erosions assessed by MRI and conventional radiographs.7 However, most previous studies did not include multivariate analyses, and we wanted to further examine the predictive value of inflammatory ultrasonographic findings of the wrist, including tenosynovitis, in early RA patients.

Patients were recruited from a cohort of early RA patients (disease duration ≤ 1 year) examined by joint counts, serology, conventional hand radiographs, MRI and ultrasonography at 0, 12 and 36 months.8 The regional ethics committee approved the study and all patients gave their informed consent. Sixty patients had complete 1-year data and were included in …

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  • Funding This study was funded by the South-Eastern Norway Regional Health Authority and the Research Council of Norway.

  • Competing interests None.

  • Ethics approval This study was conducted with the approval of the Regional Ethics Committee, Oslo, Norway.

  • Provenance and peer review Not commissioned; externally peer reviewed.