Skin biopsy, Dermatomyositis, Hidradenitis suppurativa, Melanoma, Skin cancer, Squamous cell carcinoma of the skin, Bas...al cell carcinoma, Atopic dermatitis, Acne, Psoriasis, Dermatitis, Actinic keratoses, Actinic cheilitis, Bullous disease, Bullous pemphigoid, Pemphigus