PMC9516419_01
On the left side of the rib, there were clusters of herpes and vesicles, some of which
dried up and formed scabs, with dark red scabs on the surface and red halo around the
periphery.
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Dermatological examination found that there were flaky clusters of red pimple herpes and blisters in the size of millet grains to rice grains on the left side of rib, some of the blisters dried up and crusted with dark red crusted skin and red base, without exceeding the midline of the body (Figure 1).
(a) Erythema and papules in trunk, and some lesions were in the shape of targets. (b)
Erythema and papules in lower limbs.
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Some lesions were in the shape of targets (Figure 2).
(a) Epidermal hyperkeratosis, spongy edema, focal liquefied degeneration of basal cells
(H&E staining, 40x). (b) Infiltration of lymphocytes and histocytes behind adjuncts
of dermis and subcutaneous tissues, and no apoptotic keratinocytes (H&E staining,
100x).
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A biopsy was performed on the lesions of the left lower limbs, and the pathological examination showed epidermal hyperkeratosis, spongy edema, focal liquefied degeneration of basal cells, infiltration of lymphocytes, and tissue cells around adjuncts of dermis and subcutaneous tissues, and no apoptotic keratinocytes were observed (Figure 3).