Diagnostic finding

Koilonychia

A nail disease where the nail turns thin and curves inward like a spoon.

Possible causes:

  • Iron deficiency anemia

  • Hypothyroidism

  • Hemochromatosis

  • Raynaud's phenomenon

  • Trauma

  • Contact with petroleum-based solvents

  • Inherited family trait

Also known as: Concave nail dystrophy, Spoon nails

Referencing diagnoses

Note: Lists existing diagnoses in Diagnotize only.