PMC6747858_01
Image of extragenital lichen sclerosus showing diffuse lichenoid patches containing multiple wrinkled and atrophic areas on the lower abdomen and bilateral medial thighs.
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These plaques would eventually become erythematous episodically (Figure 1).
HPS showing spongiotic epidermis with mild alteration of the papillary dermis (a) and thickened collagen in the dermis (b).
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The abdominal biopsy was consistent with lichen sclerosus et atrophicus (LSA), while the vulvar one showed morphea (Figure 2).