ArticleDermatology practical & conceptual2024
Dermoscopy of Lichen Planus Pigmentosus and Histopathological Correlation: A Case Series.
Article in Dermatology practical & conceptual, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Unmasking Facial Melanosis: A Prospective Clinico-Dermoscopic Study.Dermatology practical & conceptual · 2026Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionLichen planus pigmentosus (LPP) is an acquired pigmentary disorder affecting the dark-skinned population. There is a wide range of differentials, with substantial clinicopathological overlap. Dermoscopy may contribute to the better characterization of this dermatosis.
objectiveThis study aimed to describe dermoscopic features of LPP with a histopathological correlation.
methodsLPP lesions of 23 patients were studied using a polarized dermoscopy, followed by histological evaluation.
resultsThe most common dermoscopic finding was dots and/or globules (n=23) in different patterns: speckled (n=4), dotted (n=2), reticular (n=4), diffuse (n=9), hem-like (n=1), and circular (n=2). Other patterns were exaggerated pseudo-reticular pattern (n=12), sparing of follicular openings (n=23), targetoid appearance (n=3), blue-white veil (n=5), rosettes (n=5), erythema (n=4), and telangiectasia (n=7). Histological findings included pigment incontinence (n=23), the severity being mild (n=8) and severe (n=15). We found a statistically significant association between the intensity of pigmentary incontinence on the histological examination and the presence of blotches in dermoscopy (P=0.046) and between blue-white veil and rosettes in flexural areas (P=0.01). Also, a statistical relationship was found between severe pigment density (reticulated and diffused patterns) and short disease duration (P=0.016).
conclusionWe describe LPP dermoscopic changes according to disease progression. We found that blotches are indicative of long-duration disease and could be specific dermoscopic features of LPP. We demonstrate that a blue-white veil associated with rosettes could be pathognomonic features of LPP inversus.
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