title: Diseases of the hair and nails.
abstract: The hair and nails are rapidly growing structures and as such their cell division can be interrupted by disease states and iatrogenic treatments. Other internal diseases can alter the structure and color of the hair and nails. These alterations in the hair and nails supply important information to the physician regarding the underlying diagnosis.
authors.affiliation: Department of Dermatology, Cleveland Clinic Foundation, 9500 Euclid Avenue/A61, Cleveland, OH 44195, USA.
authors.forename: Shannon
authors.initials: S
authors.lastname: Harrison
authors.forename: Wilma F
authors.initials: WF
authors.lastname: Bergfeld
mesh_terms: D006201:Hair Diseases / Q000209:etiology* / Q000473:pathology; D006801:Humans; D009260:Nail Diseases / Q000209:etiology* / Q000473:pathology