Subcutaneous nodules

DDx

  • Rheumatoid nodules (rheumatoid arthritis or rheumatic fever)
  • Erythema nodosum
  • Gout
  • Lipoma
  • Coccidioidomycosis
  • Endocarditis (Osler’s nodes)
  • Sarcoidosis
  • Polyarteritis nodosa
  • Foreign-body granuloma
  • Sporotrichosis
  • Subcutaneous granuloma annulare
  • Lupus panniculitis
  • Calcinosis cutis
  • Parasites, eg, cysticercosis, loiasis, paragonimiasis, onchocerciasis

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