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Differential diagnosis of Cogan's syndrome.
| Sarcoidosis | |
| Syphilis | |
| Vogt-Koyanagi-Harada syndrome | |
| Rheumatoid arthritis | |
| Whipple's disease | |
| Systemic lupus erythematosus | |
| Polyarteritis nodosa | |
| Wegener's granulomatosis | |
| Behçet disease | |
| Antiphospholipid antibody syndrome | |
| Ulcerative colitis | |
| Crohn's disease |
