Solitary lichen planus-like keratosis.
D002280:Basal Cell Carcinoma; D002294:Carcinoma, Squamous Cell; D003937:Diagnosis, Differential; D006801:Humans; D007642:Keratosis / Q000175:diagnosis*; D008010:Lichen Planus / Q000175:diagnosis*; D012878:Skin Neoplasms; D014860:Warts