Canis ISSN: 2398-2942

Skin: discoid lupus erythematosus

Synonym(s): Cutaneous lupus erythematosus

Contributor(s): David Scarff, Rosanna Marsella, David Godfrey

Introduction

  • Uncommon auto-immune skin disease principally affecting the nose.
  • Cause: unknown.
  • Signs: nasal depigmentation, erythema and scaling.
  • Diagnosis: history, clinical signs, histopathology.
  • Treatment: chemotherapy, UV light avoidance.
  • Prognosis: usually good.

Pathogenesis

Etiology

  • Unknown, but is immune-mediated.
  • A benign variant of systemic lupus erythematosus Systemic lupus erythematosus.
  • Exposure to sunlight worsens condition, so photosensitivity plays a part.

Specific

  • Sunlight worsens disease.

Timecourse

  • Slowly progressive (but tends to be limited to head and feet).

Diagnosis

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Treatment

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Prevention

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Iwaski T, Shimizu M, Obata H et al (1996) A canine case of discoid lupus erythematosus with circulating autoantibody. J Vet Med Sci 57 (6), 1097-1099 PubMed.
  • Poirier N (1995) Discoid lupus erythematosus. Can Vet J 36 (8), 493 PubMed.
  • White S D (1994) Diseases of the nasal planum. Vet Clin North Am 24 (5), 887-895 PubMed.
  • Carlotti D (1989) Autoimmune mediated skin disease. JSAP 30 (4), 223-227 VetMedResource.

Other sources

  • Miller W H, Griffin C E & Campbell K L (2013) Discoid lupus erythematosus. In: Muller & Kirk’s Small Animal Dermatology 7th edition. Elsevier, St Louis. pp 459-460.


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