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Figure 4: (a) Lichen planus specimen showed strong (+3) diffuse nuclear and cytoplasmic expression of calmodulin in all epidermal layers, with nonspecific expression in dermal inflammatory cells infiltrate (Immunohistochemistry, × 100). (b) High-power view of the previous section (Immunohistochemistry, ×400)

Figure 4: (a) Lichen planus specimen showed strong (+3) diffuse nuclear and cytoplasmic expression of calmodulin in all epidermal layers, with nonspecific expression in dermal inflammatory cells infiltrate (Immunohistochemistry, × 100). (b) High-power view of the previous section (Immunohistochemistry, ×400)