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Joint involvement in systemic sclerosis.

C R Lovell, M I Jayson

    Scandinavian Journal of Rheumatology
    |January 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Radiological signs of inflammatory polyarthritis were found in over 40% of systemic sclerosis patients. Joint damage, including osteoporosis and erosions, occurred in some patients, but was not linked to standard inflammatory markers.

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    Area of Science:

    • Rheumatology
    • Radiology
    • Systemic Autoimmune Diseases

    Background:

    • Systemic sclerosis is a complex autoimmune disease.
    • The prevalence and radiological manifestations of inflammatory polyarthritis in systemic sclerosis are not fully understood.

    Purpose of the Study:

    • To investigate the frequency of radiological features indicative of inflammatory polyarthritis in patients with systemic sclerosis.
    • To correlate these radiological findings with serological markers and functional assessments.

    Main Methods:

    • Radiological assessment of joints in 24 patients diagnosed with systemic sclerosis.
    • Evaluation for juxta-articular osteoporosis, erosions, and joint space loss.
    • Comparison of findings with rheumatoid factor, anti-nuclear factor titers, plasma viscosity, grip strength, and finger-palm flexion.

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    Main Results:

    • Eleven out of 24 (45.8%) systemic sclerosis patients exhibited radiological signs of inflammatory polyarthritis.
    • Juxta-articular osteoporosis was observed in 9 patients, erosions in 5, and joint space loss in 6.
    • Rheumatoid factor positivity was rare (1 patient). Serological markers and functional tests showed no significant difference between patients with and without radiological abnormalities, although localized joint/tendon sheath disease correlated with functional decline.

    Conclusions:

    • Radiological evidence of inflammatory polyarthritis is a notable finding in a significant proportion of systemic sclerosis patients.
    • Standard inflammatory markers and functional tests may not adequately reflect the presence of joint damage in these patients.
    • Further investigation into the specific mechanisms and clinical implications of joint involvement in systemic sclerosis is warranted.