case_images: PMC7731695_01
case_images: Linear cutaneous lupus erythematosus with erythemato-violaceous and squamous papules and plaques with some atrophy along medial left knee.
case_images: 10.1177_2050313X20979206-fig1.jpg
case_images: PMC7731695_01_10.1177_2050313X20979206-fig1.jpg
case_images: fig1-2050313X20979206
case_images: Atrophic, squamous, and erythemato-violaceous plaques following Blaschko's lines were noted on her left knee (Figure 1).
case_images: A hematoxylin eosin saffron-stained section at 100x magnification shows vacuolar interface dermatitis, lymphohistiocytic perivascular and periadnexal infiltrates and lymphocytic vasculitis. Collagen bundles are separated by a clear substance within deep dermis.
case_images: 10.1177_2050313X20979206-fig2.jpg
case_images: PMC7731695_01_10.1177_2050313X20979206-fig2.jpg
case_images: fig2-2050313X20979206
case_images: Skin biopsy revealed vacuolar interface dermatitis with superficial and deep lymphohistiocytic perivascular and periadnexal infiltrates, lymphocytic vasculitis and increased dermal mucin deposition (Figure 2).
case_images: PMC7731695_02
case_images: Blaschkoid cutaneous lupus erythematosus: confluent squamous erythemato-violaceous papules with follicular plugging on left thigh.
case_images: 10.1177_2050313X20979206-fig3.jpg
case_images: PMC7731695_02_10.1177_2050313X20979206-fig3.jpg
case_images: fig3-2050313X20979206
case_images: Blaschkoid squamous and erythemato-violaceous papules with follicular plugging were observed on his left anterior and medial thigh (Figure 3).
case_images: A hematoxylin eosin saffron-stained section at 100x magnification shows vacuolar interface dermatitis, lymphohistiocytic perivascular and periadnexal infiltrates, and lymphocytic vasculitis.
case_images: 10.1177_2050313X20979206-fig4.jpg
case_images: PMC7731695_02_10.1177_2050313X20979206-fig4.jpg
case_images: fig4-2050313X20979206
case_images: Skin biopsy showed findings similar to the first patient (Figure 4).