Dermoscopic Evaluation of Mild-to-Moderate Acne Vulgaris: A Correlation Analysis with Clinical Severity Scales.

Vascular morphology suggested a trend toward transition from dotted to branched forms with increasing inflammation, although this did not reach statistical significance ( P > 0.05).

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Deepening of Background Color: An Imaging Correlate of Inflammation and Vascular Dilation Our findings showed a trend toward a deeper background color—ranging from light red to red and dark red—across different acne severity grades and lesion types (from comedonal to papular and pustular lesions).

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Despite our relatively small cohort (n=40), the highly significant and consistent trends observed in background color ( P = 0.006) and the characteristic shifts in vascular morphology support the potential of dermoscopy as a sensitive tool for objective assessment.

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Vascular Morphology and Distribution: A Clear Trend with Limited Statistical Significance In this study, vascular morphology showed a clear trend of transition from dotted to branched or atypical patterns across lesion types—dotted vessels predominating in comedonal lesions, while branched or atypical vessels were more frequently observed in papular and pustular lesions.

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