MEES' LINES (or TRANSVERSE LEUKONYCHIA)

By Gary M. White, MD


Mees' lines are transverse white lines of the nail that are arcuate in the same shape as the lunula. They represent a toxic insult to the growth of the nail and are analogous to Beau's lines. They grow distally as the nail grows out.

Treatment

Determining and removing the insult is necessary. No specific treatment is in order. The changes will resolve as the nail grows out.

References

Mees' lines related to chemotherapy. TheScientificWorld Journal 2011;11;267-268

From arsenic. Postgrad Med J. 2006 Aug; 82(970): 515

From selenium toxicity along with diffuse alopecia. JAAD July 2010 Volume 63, Issue 1, Pages 168–169

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