Skin Disorders With Nail Changes
| Disease | Incidence | Findings |
|---|---|---|
| Alopecia areata | 10% | Fine pits, rough nail surface |
| Darier's disease | High | Longitudinal ridging, red & white longitudinal bands, V-neck, hyperkeratosis |
| Eczema | Common | Coarse pitting, shiny nails, transverse ridging |
| Lichen planus | 10% | Coarse pitting, shiny nails, transverse ridging |
| Pityriasis rubra pilaris | Majority | Hyperkeratotic, yellow-brown |
| Psoriasis | 10%—50% | "Oil spots", onycholysis, pits, splinter hemorrhages, subungual hyperkeratosis |
| Scleroderma | Frequent | Pterygium inversus unguium |