• We describe here a patient with dystrophy of all 20 nails, which has persisted for five years after the resolution of alopecia areata. We feel that the term "20-nail dystrophy" is best used to describe a clinical entity that can have several causes.
(Arch Dermatol 116:573-574, 1980)
Robert T. Horn, Richard B. Odom. Twenty-Nail Dystrophy of Alopecia Areata. Arch Dermatol. 1980;116(5):573–574. doi:10.1001/archderm.1980.01640290083019