II. Signs
- Concave or Spoon shaped nails
III. Causes
- Normal finding in infants
- Resolves within first 1-2 years of life
- Iron Deficiency Anemia
- Hypothyroidism
- Trauma
- Impaired peripheral circulation
- Systemic Lupus Erythematosus
- Hemochromatosis
- Raynaud's Disease
- Contact Dermatitis to petroleum-based solvent
- Nail-Patella Syndrome (Autosomal Dominant)
IV. References
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Related Studies
| Concepts | Sign or Symptom (T184) |
| SnomedCT | 66270006 |
| Italian | Coilonichia |
| Japanese | さじ状爪, ｻｼﾞｼﾞｮｳｿｳ, ｻｼﾞｼﾞｮｳﾂﾒ |
| Czech | Koilonychie |
| English | nails spoon, spoon nails, koilonychia, nail spooning, spooned nails, Koilonychia, Spoon nails, Spoon-shaped nails, Koilonychia (disorder), spoon nail |
| Hungarian | Koilonychia |
| Spanish | coiloniquia (trastorno), coiloniquia, uña en cuchara, Coiloniquia |
| Portuguese | Quiloníquia |
| Dutch | koilonychie |
| French | Koïlonychie |
| German | Koilonychie |
