Synonyms
Chronic cutaneous lupus erythematosus; Discoid lupus erythematosus; Lupus erythematosus chronicus discoides
Definition
Discoid lupus erythematosus (DLE) is a chronic, autoimmune, inflammatory disease of the skin characterized by coin-shaped (discoid) lesions that give rise to scarring, atrophy, alopecia, and pigment changes as they heal. These lesions often occur on sun-exposed areas such as the face, ears, and hands although any cutaneous region as well as some mucosa can be affected.
Classification
The disease can present as localized, generalized, or childhood DLE (William et al. 2011)
- 1.
Localized DLE: Lesions are found above the neck, with favored sites including the malar areas, bridge of nose, scalp (leading to alopecia), ears, and lower lip. This form of DLE may rarely involve the mucosa of the mouth, nose, eye, or vulva.
- 2.
Generalized DLE: Less common than the localized form, generalized DLE often affects the thorax and upper extremities in addition to the head and...
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Lu, Q. (2014). Discoid SLE. In: Mackay, I.R., Rose, N.R., Diamond, B., Davidson, A. (eds) Encyclopedia of Medical Immunology. Springer, New York, NY. https://doi.org/10.1007/978-0-387-84828-0_379
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