SYSTEMIC SCLEROSIS - Diagnostic criteria

ACR/EULAR classification criteria for systemic sclerosis:

A total score of 9 or more is required for classification as systemic sclerosis.

1. Skin thickening of the fingers:

   - Proximal to the metacarpophalangeal joints (9 points).

2. Fingertip lesions:

   - Digital tip ulcers (2 points).

   - Fingertip pitting scars (3 points).

3. Telangiectasia (2 points).

4. Abnormal nailfold capillaries (2 points).

5. Pulmonary involvement:

   - Interstitial lung disease or pulmonary arterial hypertension (2 points).

6. Raynaud's phenomenon (3 points).

7. SSc-specific autoantibodies:

   - Anti-centromere, anti-topoisomerase I (Scl-70), or anti-RNA polymerase III (3 points).