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onychodystrophia mediana canaliformis (tic habit)
Etiology:
- compulsive habit of picking at the nail fold
Pathology:
1) repeated injury of picking at the nail fold damages the nail matrix
2) the nail plate grows out abnormally
Related
nail fold (paronychium)
nail matrix
nail plate
General
onychodystrophy (nail dystrophy)
References
Color Atlas & Synopsis of Clinical Dermatology, Common
& Serious Diseases, 3rd ed, Fitzpatrick et al, McGraw Hill, NY,
1997, pg 503