Classification and distribution of lower limb cutaneous lesions in SSc.
| Type of Lesion | No. Patients Affected and % of Overall Patients | No. Lesions and % of Overall Lesions |
|---|---|---|
| Hyperkeratoses | 23/60 (38.3) | 341/554 (61.6) |
| Ulcers | 41/60 (68.3) | 208/554 (37.5) |
| Pure ulcers secondary to: | 37/60 (61.7) | 162/208 (77.8) |
| Isolated SSc-related microangiopathy | 17/37 (45.9) | 76/162 (46.9) |
| Arterial macrovascular disease + SSc-related microangiopathy | 4/37 (10.8) | 18/162 (11.1) |
| Venous insufficiency + SSc-related microangiopathy | 14/37 (37.8) | 52/162 (32.1) |
| Venous insufficiency + arterial macrovascular disease + SSc-related microangiopathy | 2/37 (5.5) | 16/162 (9.9) |
| Ulcers associated with hyperkeratosis | 6/60 (10) | 23/208 (11.1) |
| Ulcers secondary to calcinosis | 9/60 (15) | 23/208 (11.1) |
| Gangrene | 3/60 (5) | 5/554 (0.9) |
SSc: systemic sclerosis.