What is leukonychia? Leukonychia also called white nail syndrome, can occur with arsenic poisoning, heart disease, renal failure, pneumonia, or hypoalbuminemia. Leukonychia was first described by Mees in 1919, as an associated finding in arsenic intoxication. Leukonychia or white nail describes the appearance of one or more fingernails and/or toenails that …
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