title: Images in emergency medicine. Koilonychia, or spoon-shaped nails nails, is generally associated with iron-deficiency anemia.
authors.affiliation: Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA.
authors.forename: Gautam
authors.initials: G
authors.lastname: Kumar
authors.forename: Lekshmi
authors.initials: L
authors.lastname: Vaidyanathan
authors.forename: Latha G
authors.initials: LG
authors.lastname: Stead
mesh_terms: D018798:Anemia, Iron-Deficiency / Q000150:complications / Q000175:diagnosis / Q000209:etiology*; D002446:Celiac Disease / Q000150:complications*; D005260:Female; D006801:Humans; D008875:Middle Aged; D009260:Nail Diseases / Q000150:complications*