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A form of lichen with redness and inflammatory reaction of the skin.  

A papular eruption usually seen on one extremity of a child. It is arranged in linear groups and consists of pink papules. The disease, though self-limiting, may last for a year or longer.  

A form of lichen with a spine developing in each follicle.  

An itching papular eruption that is circumscribed and located on skin that has become thickened and pigmented as a result of scratching.  

An eruption of tiny punctate reddish-brown papules arranged in circles or groups in young persons with tuberculosis. The lesions are caused by the spread of the tubercle bacilli through the blood to the skin.  

A chronic, atrophic skin disorder marked by the appearance of discrete, flat-topped, white papules, which may coalesce and degenerate. The skin affected by the rash, which occurs most often on the vulva, is often thin, shiny, and scarred. Although this condition is not considered precancerous, squamous cell carcinomas arise in 1% to 5% of cases.…

Large verrucous lesions of lichen planus arranged as the beads in a necklace.  

A form of lichen planus in which white shiny follicular papules are present along with the usual plane papules.  

A rare skin condition characterized by small, chronic, asymptomatic papules that are usually pink and are usually located only on the penis, abdomen, and flexor surfaces of the elbows and palms.