II. Signs
- Transverse over-curvature of nail plate
III. Causes
- Hereditary
- Beta Blockers
- Psoriasis
- Onychomycosis
- Nail tumor
- Systemic Lupus Erythematosus
- Kawasaki Disease
- Malignancy
IV. Management
- Discontinue causative agent if medication (e.g. Beta Blocker)
- Treat underlying cause (e.g. Onychomycosis)
- Surgical resection of part of nail bed