Figure 1: (a) Lichenified, scaly, erythematous plaques on the back. (b) Histopathological findings. (H and E, ×100). Inflammatory infiltrate is observed on the upper dermis. Hyperkeratosis, acanthosis, and parakeratosis. Epidermal spongiosis and lymphoid cell infiltration. (c) CD30+ lymphocytes were scarce