A normal variant of patients older than 50, but one that also can occur in younger subjects. It may even
represent a brittle nail variation. Ridges typically extend from the proximal nail fold to the distal plate,
with some being very prominent, especially in older women. They are usually multiple, but at times may be
single—like in patients with lichen planus
represent a brittle nail variation. Ridges typically extend from the proximal nail fold to the distal plate,
with some being very prominent, especially in older women. They are usually multiple, but at times may be
single—like in patients with lichen planus