Erythema elevatum diutinum in a patient with rheumatoid arthritis

Dermatol Online J. 2023 Oct 15;29(5). doi: 10.5070/D329562408.

Abstract

Erythema elevatum diutinum (EED) is a rare cutaneous neutrophilic vasculitis with many associated diseases reported in the literature. We report a 65-year-old woman with painful and itchy lesions on her elbows, hands, knees, and foot for a year. Histopathologic examination confirmed the diagnosis of erythema elevatum diutinum and treatment with dapsone produced significant clinical improvement within few weeks. Erythema elevatum diutinum is a rare disease that should be considered in patients with violaceous nodular plaques located over the extensor regions of the limbs. Knowledge of this unusual pathology and its association helps to avoid misdiagnosis and late treatment.

Publication types

  • Case Reports

MeSH terms

  • Aged
  • Arthritis, Rheumatoid* / complications
  • Arthritis, Rheumatoid* / drug therapy
  • Dapsone / therapeutic use
  • Erythema / pathology
  • Female
  • Humans
  • Skin / pathology
  • Vasculitis, Leukocytoclastic, Cutaneous* / diagnosis
  • Vasculitis, Leukocytoclastic, Cutaneous* / drug therapy
  • Vasculitis, Leukocytoclastic, Cutaneous* / pathology

Substances

  • Dapsone

Supplementary concepts

  • Erythema elevatum diutinum