<unk>  is characterized by the presence of impaired formation of the<unk>  plates, longitudinal streaks, and thinning. In approximately half of the patients, there will be a reddish bump at the base of the<unk>  bed.
Isolated congenital nail dysplasia
Linear atrophoderma of Moulin
Yellow nail syndrome
Green nail syndrome
Polydactyly
Hereditary multiple exostoses
Brachydactyly
Haff disease