This article is about discoid lupus erythematosus in dogs. For the disease in humans, see lupus erythematosus.
Discoid lupus erythematosus (DLE) is an uncommon autoimmune disease of the basal cell layer of the skin. It occurs in humans[1] and cats, more frequently occurring in dogs. It was first described in dogs by Griffin and colleagues in 1979.[2][3] DLE is one form of cutaneous lupus erythematosus (CLE). DLE occurs in dogs in two forms: a classical facial predominant form or generalized with other areas of the body affected. Other non-discoid variants of CLE include vesicular CLE, exfoliative CLE and mucocutaneous CLE.[4] It does not progress to systemic lupus erythematosus (SLE) in dogs. SLE can also have skin symptoms, but it appears that the two are either separate diseases.[5] DLE in dogs differs from SLE in humans in that plasma cells predominate histologically instead of T lymphocytes.[6] Because worsening of symptoms occurs with increased ultraviolet light exposure, sun exposure most likely plays a role in DLE, although certain breeds (see below) are predisposed.[7] After pemphigus foliaceus, DLE is the second most common autoimmune skin disease in dogs.[8]
^American Osteopathic College of Dermatology, "Discoid Lupus Erythematosus".
^Olivry, Thierry; Linder, Keith E.; Banovic, Frane (December 2018). "Cutaneous lupus erythematosus in dogs: a comprehensive review". BMC Veterinary Research. 14 (1): 132. doi:10.1186/s12917-018-1446-8. ISSN 1746-6148. PMC 5907183. PMID 29669547.
^Banovic, Frane (January 2019). "Canine Cutaneous Lupus Erythematosus". Veterinary Clinics of North America: Small Animal Practice. 49 (1): 37–45. doi:10.1016/j.cvsm.2018.08.004. PMID 30227971. S2CID 52295619.
^Ettinger, Stephen J.; Feldman, Edward C. (1995). Textbook of Veterinary Internal Medicine (4th ed.). W.B. Saunders Company. ISBN 0-7216-6795-3. OCLC 28723106.
^Griffin, Craig E.; Miller, William H.; Scott, Danny W. (2001). Small Animal Dermatology (6th ed.). W.B. Saunders Company. ISBN 0-7216-7618-9. OCLC 43845516.
^Mueller, Ralf S. (2005). "Immune-mediated skin diseases" (PDF). Proceedings of the 50° Congresso Nazionale Multisala SCIVAC. Retrieved 2007-03-13.
^Osborn, S. (2006). "Autoimmune Diseases in the Dog". Proceedings of the North American Veterinary Conference. Retrieved 2007-03-13.
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