Preliminary clinical criteria for systemic sclerosis (scleroderma)*15
| One major or two minor criteria are required for confirmation of the presence of scleroderma. | |
| *ARA Scleroderma Criteria Cooperative Study (SCCS). | |
| Major criterion | Proximal scleroderma: skin changes characterised by tightness, thickening, and non-pitting induration, proximal to the metacarpophalangeal or metatarsophalangeal joints, affecting other parts of the extremities, face, neck or trunk (thorax or abdomen), usually bilateral and almost always including sclerodactyly |
| Minor criteria | Sclerodactyly |
| Digital pitting scars of fingertips or loss of substance of the distal finger pad | |
| Bibasilar pulmonary fibrosis | |