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Related to twenty-nail dystrophy: Trachyonychia


(ˌɒnɪˈkɪə) or


(Veterinary Science) vet science inflammation of the nails or claws of animals
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


inflammation and ulceration at the base of a fingernail; a felon or whitlow.
See also: Fingers and Toes
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.


n. oniquia, infl. de la matriz de una uña.
English-Spanish Medical Dictionary © Farlex 2012
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Failure to both treatments (constant NAPSI) was observed in a patient with twenty-nail dystrophy. Bilateral complete response (NAPSI of zero) was observed in three patients.
"Twenty-nail dystrophy," also known as trachyonychia, presents with longitudinal ridges, lost of luster, sandpaper-like rough appearance, and pitting.
Differential Diagnosis of Onychomycosis (18-21) * Nail trauma * Psoriasis * Lichen planus * Paronychia * Bacterial infection * Pachyonychia congenita * Nail bed tumors (squamous cell carcinoma) and verrucae * Yellow nail syndrome * Alopecia areata * Contact/atopic dermatitis * Idiopathic onycholysis * Twenty-nail dystrophy (trachyonychia) * Nail changes associated with systemic disease or nail cosmetics