• Audrey A. Jacobsen
  • Antonella TostiEmail author


The word trachyonychia means rough nails. Trachyonychia can present in opaque and shiny variants. This is referred to as opaque trachyonychia and shiny trachyonychia. The diagnosis of trachyonychia is clinical and a nail unit biopsy is not required Trachyonychia is a benign disease that may regress spontaneously. The most common causes of trachyonychia are alopecia areata, lichen planus, and psoriasis. A variety of treatment options exist, and the treatment should be conservative since this is a non-scarring condition.


Trachyonychia Lichen planus Alopecia areata Opaque Shiny Psoriasis Biopsy Sandpaper nails Idiopathic trachyonychia Children Nail biopsy 

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© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.University of Miami Miller School of MedicineMiamiUSA
  2. 2.Department of Dermatology and Cutaneous SurgeryUniversity of Miami Miller School of MedicineMiamiUSA

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