Koilonychia

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Koilonychia
Koilonychia.jpg
ICD-10 L60
ICD-9 703
OMIM 149300
DiseasesDB 7207
MedlinePlus 003247

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Synonyms and keywords: Spoon nail

Overview

Koilonychia is a nail disease that can be a sign of iron-deficiency anemia.[1] 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. The normal process of change is: brittle nails, straight nails, spoon-shaped nails.

Pathophysiology

Associated conditions

Spooning, or nails that grow upwards is associated with iron or B12 deficiency.

Causes

Causes in Alphabetical Order

References

  1. Kumar, Robbins and Cotran: Pathologic Basis of Disease, 7th ed., 2005. Saunders.

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