Palpable purpura

DDx

Vasculitis

  • Polyarteritis nodosa
  • Rheumatoid arthritis
  • Wegener’s granulomatosis
  • Churg-Strauss syndrome
  • Henoch-Schönlein purpura
  • Systemic lupus erythematosus (SLE)
  • Hypersensitivity (leukocytoclastic) vasculitis
Infection or emboli
  • Meningococcemia
  • Gonococcemia
  • Endocarditis
  • Rocky Mountain spotted fever
  • Aspergillus
  • Candidiasis
  • Ecthyma gangrenosum (neutropenic, pseudomonal)
Other
  • Sarcoidosis
  • Cryoglobulinemia
  • Ulcerative colitis
  • Crohn’s disease
  • Medications

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