Dermatology Book

Transverse Linear Nail LesionAka: Nail Groove, Beau's Lines, Transverse White Nail Line


  1. See Also
    1. Fingernail
    2. Nail Abnormality
    3. Nail Longitudinal Striation
    4. Nail Discoloration
  2. Description
    1. Deep transverse grooves in Nail (Beau's Lines)
    2. Suggests systemic illness or local trauma
    3. Results from Nail Growth arrest
      1. Prolonged illness duration results in wider groove
  3. Transverse Lines in Nail
    1. See Also Nail Discoloration
    2. Muehrcke's Lines
      1. Pairs of white lines do not move with Nail Growth
    3. Mees' Lines
      1. Transverse lines parallel to lunula
    4. Leukonychia
      1. Non-uniform lines or spots
    5. Transverse striate Leukonychia
  4. References
    1. Fawcett (2004) Am Fam Physician 69(6):1417

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