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Slide show: 7 fingernail problems not to ignoreBy Mayo Clinic staff
Spoon nails (koilonychia) are soft nails that look scooped out. The depression usually is large enough to hold a drop of liquid. Often, spoon nails are a sign of iron deficiency anemia or a liver condition known as hemochromatosis, in which your body absorbs too much iron from the food you eat. Spoon nails can also be associated with heart disease and hypothyroidism.Next slide Previous slide
- Habif TP. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 5th ed. Edinburgh, U.K.; New York, N.Y.: Mosby Elsevier; 2010. http://www.mdconsult.com/books/page.do?eid=4-u1.0-B978-0-7234-3541-9..00034-1&isbn=978-0-7234-3541-9&sid=1202987289&uniqId=280881613-3#4-u1.0-B978-0-7234-3541-9..00034-1--s0035. Accessed Sept. 9, 2011.
- Gregoriou S, et al. Nail disorders and systemic disease: What the nails tell us. Journal of Family Practice. 2008;57:509.