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Skin pathology and STDs
Psoriasis = Auspitz sign, Munroe microabscess. Lichen planus = 6 Ps, Wickham striae.
Pemphigus = Intraepidermal, flaccid, Nikolsky +. Pemphigoid = Subepidermal, tense, Nikolsky -.
Primary syphilis = painless chancre. Chancroid = painful.