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Figure 1: (a) Human skin shave biopsy from a psoriatic plaque. (b) Transplanted plaque with scales and erythema (c) and (d) Typical histopathological features of psoriasis: Long rete pegs, suprapapillary thinning and dermal/epidermal infi ltrates of CD3 lymphocytes. (c) Arrows indicate CD3+ lymphocytes. (d) Increased expression of ICAM-1, HLA-DR+ CD3+ T cells, nerve growth factor receptor and CD8+ T cells. Magnifi cation ×20

Figure 1: (a) Human skin shave biopsy from a psoriatic plaque. (b) Transplanted plaque with scales and erythema (c) and (d) Typical histopathological features of psoriasis: Long rete pegs, suprapapillary thinning and dermal/epidermal infi ltrates of CD3 lymphocytes. (c) Arrows indicate CD3+ lymphocytes. (d) Increased expression of ICAM-1, HLA-DR+ CD3+ T cells, nerve growth factor receptor and CD8+ T cells. Magnifi cation ×20