The cause of lichen nitidus is unknown. The papules that appear are the result of inflammation controlled by white blood cells called T lymphocytes. Normally, these cells are active at the site of disease or injury. Doctors and researchers don't know what prompts T lymphocytes to be activated in lichen nitidus.
Nov. 20, 2012
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- Psoriasis. National Institute of Arthritis and Musculoskeletal and Skin Diseases. http://www.niams.nih.gov/Health_Info/Psoriasis/default.asp. Accessed Sept. 29, 2012.
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- Protopic (prescribing information). Deerfield, Ill.: Astellas Pharma US, Inc.; 2006. http://www.astellas.us/docs/protopic.pdf. Accessed Sept. 27, 2012.
- Nakamizo S, et al. Generalized lichen nitidus successfully treated with narrowband UVB phototherapy. European Journal of Dermatology. 2010;20:816.
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