Nail dystrophy of childhood (Trachyonychia)

The entity twenty-nail dystrophy of childhood (Trachyonychia) was used by D.E. Hazelrigg in 1977 to describe an idiopathic nail disorder in children. It also may be non-idiopatic and caused by alopecia areata, psoriasis, llichen planus, atopy, ichthyosis, or other inflammatory dermatoses. More about trachyonychya