Which conditions are included in the differential diagnoses of relapsing polychondritis (RP)?

Updated: Dec 24, 2020
  • Author: Nicholas Compton, MD; Chief Editor: Herbert S Diamond, MD  more...
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Other conditions to consider in the differential diagnosis of polychondritis include the following:

  • Rheumatoid arthritis
  • Polyarteritis nodosa
  • Cogan syndrome
  • Infectious perichondritis
  • MAGIC syndrome (relapsing polychondritis [RP] plus Behçet disease)
  • Trauma (especially in boxers and wrestlers)
  • Congenital  syphilis
  • Chronic external otitis
  • Auricular calcification (secondary to other conditions, eg, trauma,  Addison disease, diabetes,  hyperthyroidism)

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