Koilonychia (also known as spoon nails[1]:782) is a nail disease that can be a sign of hypochromic anemia, especially iron-deficiency anemia.[2]:656[3] Koilonychia literally means "spoon nails." It refers to abnormally thin 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, and Iron Deficiency Anemia.
References
- ^ James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. ISBN 0721629210.
- ^ Freedberg, et al. (2003). Fitzpatrick's Dermatology in General Medicine. (6th ed.). McGraw-Hill. ISBN 0071380760.
- ^ Kumar, Robbins and Cotran: Pathologic Basis of Disease, 7th ed., 2005. Saunders.
External links
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