Version October 2024
| Dermatologic manifestation | Relapsing polychondritis (no associated disease) (n = 127) | Relapsing polychondritis with myelodysplastic syndrome (MDS) (n = 22) | Relapsing polychondritis with (non-MDS) associated disease* (n = 51) |
| Number (percent) | Number (percent) | Number (percent) | |
| Total with skin manifestation | 45 (35) | 20 (91) | ––¶ |
| Oral aphthosis only | 14 (11) | 2 (9) | 4 (8) |
| Complex aphthosis | 7 (6) | 2 (9) | 3 (6) |
| White oral lesion | 0 (0) | 1 (5) | 0 (0) |
| Purpura | 13 (10) | 9 (41) | 4 (8) |
| Livedo reticularis | 7 (6) | 5 (23) | 2 (4) |
| Urticarial papules | 5 (4) | 7 (32) | 4 (8) |
| Bluish-red papules | 5 (4) | 5 (23) | 0 (0) |
| Erythema elevatum diutinum | 1 (1) | 1 (5) | 0 (0) |
| Nodules on the limbs | 19 (15) | 9 (41) | 7 (14) |
| Superficial phlebitis | 8 (6) | 6 (27) | 1 (2) |
| Sterile pustules | 9 (7) | 4 (18) | 0 (0) |
| Ulcerations on the limbs | 6 (5) | 3 (14) | 3 (6) |
| Distal necrosis | 4 (3) | 1 (5) | 2 (4) |
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