Skin biopsy, UV light therapy, Intralesional injection therapy, Cryotherapy, Electrodessication and curettage, Tinea ve...rsicolor, Melanoma, Skin cancer, Squamous cell carcinoma of the skin, Basal cell carcinoma, Psoriasis, Acne, Atopic dermatitis, Lichen planus, Rosacea, Impetigo, Bullous pemphigoid, Keloid scar, Actinic keratoses, Hemangioma, Vitiligo, Non-melanoma skin cancer, Molluscum contagiosum, Wart, Allergic contact dermatitis, Fungal skin infections