Habit tic deformity secondary to guitar playing
Wu, J.J.
Dermatology Online Journal 15(3): 16
2009
ISSN/ISBN: 1087-2108 PMID: 19379660 Document Number: 632907
A 29-year-old man exhibited linear ridges of the right thumbnail that had been present for ten years. After he stopped playing the guitar for three months, the proximal portion of the abnormality cleared. Nail changes similar to the habit tic deformity may be produced by guitar playing.