|Description:||This 1965 image depicted a posterior view of an 11 year old African-American male, who’d presented with a 6 year history of generalized lichen planus (LP) eruptions. The lesions were well circumscribed, 1.0cm – 3.0cm in diameter, as well as pruritic. Note the presence of what is known as the “Koebner phenomenon”, which is the spread of the LP lesions along areas of trauma, i.e., scratches on the skin. This represents a closer view of the case photographed in PHIL 12185.|
Lichen planus is a skin disease characterized by an eruption of wide flat papules covered by a horny glazed film, marked by intense itching, and often accompanied by lesions on the oral mucosa. The cause of LP is not known, but many dermatologists feel that it may be an autoimmune disorder.