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Twenty nail dystrophy trachyonychia: an overview.

Virendra N Sehgal¹

¹Dermato-Venereology (Skin/VD) Centre, Sehgal Nursing Home, Panchwati, Azadpur, Delhi, India. drsehgal@ndf.vsnl.net.in

The Journal of Dermatology

|May 31, 2007

Summary

Twenty nail dystrophy (TND) trachyonychia is a nail condition diagnosed by clinical features like ridging and pitting. Microscopic pathology confirms diagnosis, revealing it as a self-limiting condition often requiring no intervention.

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Area of Science:

Dermatology
Nail Diseases

Background:

Twenty nail dystrophy (TND) trachyonychia is a rare nail disorder.
First described 25 years ago, it has been infrequently reported but remains clinically recognized.

Purpose of the Study:

To review the clinical features, diagnosis, and management of Twenty Nail Dystrophy (TND).

Main Methods:

Diagnosis is primarily clinical, based on characteristic nail changes.
Microscopic pathology aids in confirmation, identifying underlying patterns like eczema, lichen planus, or psoriasis.

Main Results:

Clinical features include prominent dystrophy, ridging, pitting, roughening, splitting, and a dull, grayish-white appearance.
Onset typically occurs in childhood, though adult cases are noted.
An hereditary component has been described in some occurrences.

Conclusions:

Twenty nail dystrophy (TND) trachyonychia is a distinct clinical entity with characteristic nail findings.
Diagnosis is confirmed via histopathology.
The condition is generally self-limiting, with intervention only occasionally necessary.