Coexistence of psoriasis, and alopecia areata with trachyonychia in a pediatric patient with Turner Syndrome.

Turner syndrome is a genetic disorder characterized by abnormalities of the X chromosome. An association with many autoimmune diseases is described as well as skin diseases such as psoriasis, vitiligo and alopecia areata. Trachyonychia is characterized by irregular opaque appearance on the nail plate of all 20 nails. It may be idiopathic or it can be associated with other dermatological diseases. Herein, we present a 6 years old girl with Turner syndrome who had diagnoses of psoriasis, alopecia areata and trachyonychia and we would like to draw attention to the possible relationship between these diseases.