Psoriasis, Nails
Author: Cindy Li, DO, Dermatologist and Cosmetic Surgeon, Department of Dermatology, Kaiser Permanente Medical Group
Coauthor(s): Richard K Scher, MD, Professor of Dermatology, University of North Carolina
Introduction
Background
Psoriatic nail disease has many clinical signs. Most psoriatic nail disease occurs in patients with clinically evident psoriasis; it only occurs in less than 5% of patients with no other cutaneous findings of psoriasis. An estimated 10-55% of all patients with psoriasis have psoriatic nail disease. Approximately 7 million people in the United States have psoriasis. About 150,000-260,000 new cases of psoriasis are diagnosed each year. US physicians see 1.5 million patients with psoriasis per year. Severe psoriatic nail disease can lead to functional and social impairments if left untreated.
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