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Beau Lines
Aka: Beau Lines, Transverse Linear Nail Lesion, Nail Groove, Beau's Lines, Transverse White Nail Line, Transverse Nail Ridge
- See Also
- Fingernail
- Nail Abnormality
- Nail Longitudinal Striation
- Nail Discoloration
- Pathophysiology
- Results from Nail Growth arrest (interrupted nail bed mitosis)
- Suggests systemic illness or local Trauma
- Prolonged illness duration results in wider groove
- Causes
- Severe illness
- Pemphigus
- High fever
- Chemotherapy
- Raynaud Disease
- Signs
- Deep transverse (horizontal) grooves in nail plate (Beau's Lines)
- Typically affects entire width of nail plate
- Differential Diagnosis: Transverse Lines in Nail
- See Also Nail Discoloration
- Muehrcke's Lines
- Pairs of white lines do not move with Nail Growth
- Mees' Lines
- Transverse lines parallel to lunula
- Leukonychia
- Non-uniform lines or spots
- Transverse striate Leukonychia
- References
- Fawcett (2004) Am Fam Physician 69(6):1417-24 [PubMed]