| Mucocutaneous signs | Number | Percentage (%) |
| Cutaneous atrophy | 2 | 5.5 |
| Sclerosis of the tongue brake | 1 | 2.7 |
| Edema | 3 | 8.3 |
| Pigmentation disorder | 5 | 13.8 |
| Sclerodactyly | 4 | 11.1 |
| Raynaud’s syndrome | 6 | 35 |
| Skin induration | 15 | 100 |
| limitation of the oral perimeter | 6 | 35 |
| Cutaneous xerosis | 2 | 5.5 |