An unusual case of lichen planus is presented in which the only findings were permanent loss of toenails with scaling and superficial erosion in the immediate vicinity of the nail matrix and bed.
Cornelius CE, Shelley WB. Permanent Anonychia Due to Lichen Planus. Arch Dermatol. 1967;96(4):434-435. doi:10.1001/archderm.1967.01610040084016