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Figure 3: (a) Histopathology of hypertrophic lichen planus showing hyperkeratosis, acanthosis, hypergranulosis, and basal cell damage confined to the tips of rete ridges. (b) Histopathology of prurigo nodularis showing orthokeratosis and hyperkeratosis, irregular acanthosis, elongated rete ridges, and vertically arranged collagen fibers in the dermis (H and E, ×40)

Figure 3: (a) Histopathology of hypertrophic lichen planus showing hyperkeratosis, acanthosis, hypergranulosis, and basal cell damage confined to the tips of rete ridges. (b) Histopathology of prurigo nodularis showing orthokeratosis and hyperkeratosis, irregular acanthosis, elongated rete ridges, and vertically arranged collagen fibers in the dermis (H and E, ×40)