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Related Experiment Video

Updated: Jun 25, 2025

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
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"Scleroderma" and "Scleroderma-like" Capillaroscopic Pattern-Differences and Similarities.

Sevdalina Nikolova Lambova1,2, Ulf Müller-Ladner3,4

  • 1Department of Propaedeutics of Internal Diseases "Prof Dr Anton Mitov", Faculty of Medicine, Medical University of Plovdiv, Bulgaria.

Current Rheumatology Reviews
|May 29, 2024
PubMed
Summary
This summary is machine-generated.

Capillaroscopy reveals distinct microvascular patterns in systemic sclerosis (SSc) and other rheumatic diseases. While some overlap exists, specific "scleroderma-like" features in dermatomyositis, lupus, and rheumatoid arthritis aid in differentiation.

Keywords:
CapillaroscopyUCTD.connective tissue diseasesmicrovascular damagesystemic sclerosis“scleroderma-like”

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Area of Science:

  • Rheumatology
  • Dermatology
  • Vascular Biology

Background:

  • The "scleroderma" capillaroscopic pattern is a hallmark of systemic sclerosis (SSc), present in over 90% of patients.
  • Similar "scleroderma-like" patterns are observed in other rheumatic conditions like dermatomyositis (DM), systemic lupus erythematosus (SLE), and undifferentiated connective tissue diseases (UCTD).
  • Microvascular changes progress through "early", "active", and "late" stages, influenced by disease duration and other factors.

Purpose of the Study:

  • To identify differentiating features between the "scleroderma" pattern in SSc and "scleroderma-like" patterns in other rheumatic diseases.
  • To analyze capillaroscopic images for distinct morphological characteristics.
  • To assess the utility of capillaroscopy in distinguishing SSc from other connective tissue diseases.

Main Methods:

  • Retrospective cross-sectional analysis of 684 capillaroscopic images from patients with SSc, DM, SLE, rheumatoid arthritis (RA), and UCTD.
  • Quantitative assessment of capillary diameters, density, and intercapillary distance.
  • Categorization of images into "early", "active", "late", or "other" phases based on established criteria.

Main Results:

  • "Early" microangiopathy was found in RA, SLE, and UCTD, but not DM. "Active" patterns were present in all non-SSc groups.
  • "Late" phase microangiopathy was observed in SSc and DM, but not in SLE, RA, or UCTD.
  • Specific findings like "rheumatoid neoangiogenic pattern" were noted in RA patients.

Conclusions:

  • While "scleroderma-like" patterns can mimic SSc, differentiating features exist.
  • Early microangiopathy is common in RA, SLE, and UCTD, while "late" phases are more specific to SSc and DM.
  • These morphological differences suggest variations in pathogenesis and microvascular damage across rheumatic diseases.