LICHEN PLANUS ET ACUMINATUS ATROPHICANS

Abstract

In 1919, I presented at a meeting of the Manhattan Dermatological Society a 45 year old woman who had a pruriginous eruption on her body of about three months' duration. The following were the characteristic features of the disease: There were lesions of lichen planus scattered on the arms, face, neck and trunk. Many of the lesions subsided rapidly, leaving brown pigmentation in their place. The pigmented areas soon became depigmented and atrophic. Another group of lesions, in the same locations and intermingled with those of lichen planus, consisted of hemispherical pink or reddish papules, each with a horny plug, which was from yellowish brown to almost black. It is remarkable that this case as well as one of the two to be reported and several of the cases reported as instances of folliculitis decalvans and lichen spinulosus was characterized by an exaggeration of the lesions, with