Skin biopsy, Allergy skin test, UV light therapy, Pulsed-dye laser therapy, Tuberous sclerosis, Melanoma, Vascular malf...ormation, Hemangioma, Skin cancer, Non-melanoma skin cancer, Klippel-Trenaunay syndrome, Lichen planus, Vasculitis, Hair loss, Atopic dermatitis, Acne, Psoriasis, Vitiligo, Alopecia areata, Melasma, Vascular anomaly, Dermatitis, Morphea, Skin problems, Vulvar skin disorder, Breast skin change, Rosacea, Pigmentation disorder, Telogen effluvium, Telangiectasia disorder, Tinea versicolor, Oral lichen planus, Blue rubber bleb nevus syndrome, Burning mouth syndrome, Diffuse capillary malformation with overgrowth, Canker sores, Scarring alopecia, Pityriasis alba, Vascular birthmarks