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

Updated: Dec 06, 2018
  • 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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