SOCIAL MEDIA
Portuguese Medical Association's Scientific Journal
Rheumatoid arthritis (RA) is an autoimmune disease that can be associated with cutaneous manifestations, most com-monly rheumatoid nodules. Other dermatological findings include vasculitis, pyoderma gangrenosum, Sweet syndrome, and reactive granulomatous dermatitis, which encompasses both palisaded neutrophilic granulomatous dermatitis (PNGD) and interstitial granulomatous dermatitis.1