case_images: PMC10332365_01
case_images: (A) Pale red macules and papules on the left thigh with brown ring-like elevations around the edges, with a little adherent scaling. (B) Pale red macules and papules on the right thigh with brown ring-like elevations around the edges, with a little adherent scaling.
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case_images: The rash was mildly atrophic in the middle, with brown ring-like elevations around the edges and a few adherent scales (Figure 1A and B).
case_images: Epidermal hyperplasia with focal dyskeratosis, visible as a plate of dyskeratosis (HE, x100).
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case_images: Pathological examination shows epidermal hyperplasia with focal hyperkeratosis and the formation of a plate of hyperkeratosis (ie conical plate) (Figure 2).
case_images: Lymphocytic and eosinophilic infiltration around blood vessels in the dermis (HE, x200).
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case_images: The superficial dermal layer was pigmented and incontinent, with focal lymphocytic and eosinophilic infiltration around the blood vessels in the dermis (Figure 3).
case_images: Darkening of erythema on both lower extremities and flattening of the papular ring elevation.
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case_images: At a follow-up visit half a month later, the patient's pruritus had decreased, the erythema on the extremities had darkened and the papular ring of elevations had flattened (Figure 4).
case_images: Only brown pigmentation was left on the erythema of the left thigh.
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case_images: Only light brown pigmentation was left on the erythema of the extremities and the pruritus had largely disappeared (Figure 5).