Koilonychia

Koilonychia
ICD-10	L60
ICD-9	703
DiseasesDB	7207
MedlinePlus	003247

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Koilonychia is a nail disease that can be a sign of iron-deficiency anemia. Koilonychia means literally "spoon nails." It refers to nails (usually of the hand) which have lost their convexity, becoming flat or even concave in shape. In a sense, koilonychia is the opposite of nail clubbing.

Koilonychia is associated with Plummer-Vinson syndrome.

External links

• Template:DermAtlas
• Photo at dartmouth.edu
• Photo at luc.edu (click on link under 'Physical findings' section