pigmentosus atrophic lichen planus on the supramaxillary area a new variant Summary Slide Why report this case Lichen planus LP is a chronic inflammatory and selflimiting skin condition with phenotypic heterogeneity The two subtypes of LP include lichen planus ID: 918995
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Slide1
A case report of isolated pigmentosus atrophic lichen planus on the supramaxillary area: a new variant？
Summary Slide
Slide2Why report this case?Lichen planus (LP) is a chronic inflammatory and self-limiting skin condition with phenotypic heterogeneity. The two subtypes of LP include lichen planus pigmentosus (LPP) and atrophic lichen planus (ALP).We herein reported a girl with a complaint of a sharply edged brown plaque beside alae nasi. Both clinical and pathological findings revealed marked pigmentation and epidermal atrophy.
It was diagnosed as atrophic Lichen planus
pigmentosus
(ALPP), and this might be an independent variant of LP or LPP that causes significant epidermal atrophy in the degenerative phase.
Slide3What was learned from the case? There are few reports on LPP as an independent subtype of LP, and we herein summarized the clinical and/or pathological features of 12 cases, concluding that it might be a catagen phase of LP.This case suggested a pathogenic association between basal cell injury, pigment incontinence, and epidermal atrophy, providing clinical reference for the treatment of special types of LP.