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. 2017 May-Jun;92(3):323–328. doi: 10.1590/abd1806-4841.20175038

Figure 1.

Figure 1

A. Non-lesional skin of psoriasis patient showing strong cytoplasmic positivity (+2 grade) for S100B in the epidermis (S100B IHC staining, × 400). B. Lesional psoriatic skin showing epidermal acanthosis with regular elongation of the rete ridges, and marked hyperkeratosis with weak cytoplasmic positivity (+1 grade) for S100B in the epidermis (S100B IHC staining, × 400). C. Normal skin of control showing negative staining for S100B in the epidermis with few scattered S100B positive basal and suprabasal layers and melanocytes (S100B IHC staining, × 400)