Systemic sclerosis & Raynaud's

Nailfold capillaroscopy by dermatoscope in systemic sclerosis: a systematic review and meta-analysis

Clin Exp RheumatolPublished systematic review and meta-analysis

Authors' conclusion

Limited data demonstrate DNC offers high specificity but moderate sensitivity for identifying scleroderma patterns in SSc, making it a valuable initial screening tool for resource-limited settings in patients with Raynaud's phenomenon. While DNC cannot replace NVC for detailed microvascular assessment, its ease of use, portability, and diagnostic performance support implementation for mainly triage of capillary abnormalities in SSc and connective tissue diseases in routine clinical practice.

Study context

Population
Studies in adults assessing sensitivity and specificity of dermatoscope-based nailfold capillaroscopy (DNC) versus nailfold videocapillaroscopy (NVC) or stereomicroscopy for the scleroderma pattern in systemic sclerosis (SSc)participants in three included studies
Participants
340 participants
Comparison
DNC versus NVC or stereomicroscopy
Outcome
Diagnostic accuracy of DNC in detecting scleroderma capillary patterns (pooled)
Methodological detailsPRISMA-DTA guidelines, Univariate and bivariate random-effects meta-analysis
  • PRISMA-DTA guidelines
  • Univariate and bivariate random-effects meta-analysis

Pooled result

As reported in the abstract

Pooled sensitivity

56%

95% CI 39–80%

Pooled specificity

95%

95% CI 91–100%

Pooled diagnostic odds ratio

31.83

95% CI 16.85–60.15

AUC

0.895

Original publication

Nailfold capillaroscopy by dermatoscope in systemic sclerosis: a systematic review and meta-analysis. Clin Exp Rheumatol. Published 1 February 2026. doi:10.55563/clinexprheumatol/hrgaxj

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