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Updated: Jun 1, 2026
04:44
Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
Published on: June 16, 2020
Epidemiology of systemic sclerosis
Mandana Nikpour1, Wendy M Stevens, Ariane L Herrick
1University of Melbourne, Department of Medicine, St. Vincent's Hospital, 41 Victoria Parade, Fitzroy, Melbourne, Victoria 3065, Australia. mnikpour@medstv.unimelb.edu.au
Best Practice & Research. Clinical Rheumatology
|June 14, 2011
Summary
Systemic sclerosis (SSc) is a complex autoimmune disease with increasing incidence. Early diagnosis and novel biomarkers are crucial for managing this condition, which still has high mortality, especially from cardiorespiratory issues.
Area of Science:
- Rheumatology
- Immunology
- Epidemiology
Background:
- Systemic sclerosis (SSc) is a multisystem autoimmune disease with distinct subtypes (limited and diffuse).
- SSc incidence has seemingly increased, potentially due to improved diagnostics, now around 20 per million.
- Current understanding of SSc etiology involves environmental factors like solvents and silica, alongside genetic predispositions such as HLA haplotypes.
Purpose of the Study:
- To review the current understanding of Systemic Sclerosis (SSc) epidemiology, risk factors, and diagnostic advancements.
- To highlight the unmet needs in SSc management, particularly the requirement for novel biomarkers.
- To emphasize the necessity of collaborative research due to the low prevalence of SSc.
Main Methods:
- Review of recent literature on SSc incidence, classification, environmental and genetic associations.
- Analysis of current diagnostic criteria and their limitations in early SSc detection.
- Examination of mortality rates and identified predictors of organ involvement and outcomes.
Main Results:
- New classification criteria aim for earlier SSc identification, even before skin manifestations.
- While environmental and genetic factors are implicated, no single definitive risk factor is identified.
- Despite advances, SSc mortality remains high, particularly due to cardiorespiratory complications, underscoring the need for better predictors.
Conclusions:
- Early detection of SSc is improving, but significant challenges remain in predicting outcomes and managing complications.
- Novel biomarkers are urgently required to improve patient prognostication and treatment strategies.
- Multicenter research collaborations are essential for advancing SSc research given its low prevalence.
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