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Multiple itchy erythematous papules and plaques were observed on both the arms and legs. (A) Lesions on the lower extremities. (B, C) Lesions on the upper extremity. Histopathology of the skin lesions. (D) There were mild epidermal spongiosis and perivascular inflammatory cell infiltration (H&E, ×40). (E) At high power magnification, the epidermal focal spongiotic vesicle and perivascular infiltration of many lymphoid cells and few eosinophils were observed (H&E, ×100).
