To the Editor.—
In a general sense, 25 years ago Alkiewicz1 and, recently, Achten and Wanet-Rouard2 described rough nails under the title "Trachyonychie."In a study soon to be published in the Annales de Dermatologie et Syphiligraphie, we report on a number of cases of rough nails that are suggestive of an expression of alopecia areata and bear a clinical similarity to the cases reported by Drs Hazelrigg, Duncan, and Jarratt in their article "Twenty-Nail Dystrophy of Childhood" (Archives 113:73-75, 1977). The descriptive term l'ongle grésé peladique (vertical striated sandpaper nails) is offered (Figure). This entity, observed in both children and adults, may involve all 20 nails.
Baran R, Dupré A. Vertical Striated Sandpaper Nails. Arch Dermatol. 1977;113(11):1613. doi:10.1001/archderm.1977.01640110133038
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