Guide To The Conditions That Trachyonychia Can Indicate

Ichthyosis Vulgaris

Trachyonychia can manifest in individuals affected by any of the numerous genetic skin disorders in theichthyosis vulgaris family. Conditions within this family cause the skin's protective barrier function to become impaired, abnormally rapid new skin cell production, and prolonged shedding of old skin cells. These malfunctions result in an accumulation of scaly, thick skin in affected individuals. The most common parts of a patient's body affected by these ichthyosis scales are the scalp, face, buttocks, legs, trunk, and stomach. The color of the scales can be dark brown, white, or gray.

The upregulated production of skin cells can cause the nail fold to experience inflammation frequently. The skin cells that reside underneath the nail above the nail bed may experience excessive multiplication and accumulate underneath the nail as well. Furthermore, the nails of patients affected by any form of ichthyosis tend to grow at a rate two to three times faster than those of a healthy individual. It is a combination of the effects of one or more of these factors that contribute to the association between trachyonychia and ichthyosis vulgaris.

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