The nail in lichen planus.
D000328:Adult; D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007642:Keratosis / Q000473:pathology; D008010:Lichen Planus / Q000175:diagnosis* / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009262:Nails / Q000473:pathology; D014009:Onychomycosis / Q000175:diagnosis* / Q000382:microbiology / Q000473:pathology; D012871:Skin Diseases / Q000473:pathology; D013194:Staining and Labeling