FINGERNAIL
DISORDERS:

Koilonychia is better known as a 'spoon nail'.

Koilonychia is a fingernail disorder.

Koilonychia

 

What is koilonychia?

Koilonychia (a.k.a. ‘spoon nails’) occurs when the free edge of the nail is turned inside out (everted), resulting in a concave fingernail.

What causes koilonychia?

Two common causes of koilonychia are:

• thyroid abnormalities;
iron deficiency anemia.

But koilonychia can also be caused by direct trauma, excessive use of oils and soaps, or other more rare medical problems such as:

• impaired peripheral circulation;
• musculoskeletal conditions;
• systemic lupus erythematosus;
• hemochromatosis;
• renal disease;
• Nail Patella Syndrome;
• Raynaud’s Disease;
• Hypoplastic Patella.

One must also be aware that in the hands of children a ‘spoon nail’ may occur as a normal condition of the nail (not caused by a disease).

MORE ABOUT THIS FINGERNAIL DISORDER:
Koilonychia – also knows as a ‘spoon nail’

PHOTO – An example of ‘spoon nails’ (koilonychia):

Spoon nails (koilonychia)

SUGGESTIONS FOR FURTHER READING:
Common disorders in the fingernail & toe nail!
News about fingernails!
Koilonychia is a common nail disorder in the hands of children
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