TOPICS: Psoriasis, HLA-C, scaly rash, koebner phenomenon, skin epithelial barrier, hyperkeratosis, parakeratosis, acanthosis, rete ridges, stratum corneum, munro abscesses, pinpoint bleeding, auspitz sign, salmon colored, silver scales, psoriatic arthritis, uveitis, conjunctivitis, blepharitis, lichen planus, hepatitis C, CD8 T cell, hyperkeratosis, interface dermatitis, colloid bodies, civatte bodies, sawtooth appearance, wickham striae