<unk><unk><unk>  disorder (UCTD) are actually a group of disorders that are unclassified in other<unk><unk>  disorders. UCTD may be classified according to the criteria developed by American College of Rheumatology (ACR) and European League Against Rheumatism (EULAR) into: early Raynaud's phenomenon, early inflammatory arthritis that is not classified as rheumatoid arthritis, some manifestations same as that of inflammatory myopathy, systemic lupus erythematosus, Sjögren's syndrome, vasculitis, serositis, or interstitial lung disease which don't meet diagnostic criteria for each of them and early scleroderma.
Undifferentiated connective tissue disease classification
Churg-Strauss syndrome classification
Churg-Strauss syndrome epidemiology and demographics
Polymyositis and dermatomyositis classification
Buerger's disease classification
Scleroderma classification
Mixed connective tissue disease physical examination
Behçet's disease classification