Scleroderma, Localized/pathology; Scleroderma, Systemic/pathology; Calcinosis/complications; Carcinoid Tumor/complications; Carcinoid Tumor/secondary; Cardiovascular Diseases/complications; Cardiovascular Diseases/drug therapy; Endocrine System Diseases/complications; Eosinophilia/complications; Eosinophilia/pathology; Fasciitis/complications; Fasciitis/pathology; Fingers; Gastrointestinal Diseases/complications; Humans; Kidney Diseases/complications; Liver Neoplasms/complications; Liver Neoplasms/secondary; Lung Diseases/complications; Mouth Diseases/complications; Muscular Diseases/complications; Nervous System Diseases/complications; Pulmonary Fibrosis/drug therapy; Pulmonary Fibrosis/pathology; Raynaud Disease/complications; Retroperitoneal Fibrosis/drug therapy; Retroperitoneal Fibrosis/pathology; Rheumatology/trends; Scleroderma, Localized/classification; Scleroderma, Localized/complications; Scleroderma, Localized/drug therapy; Scleroderma, Systemic/classification; Scleroderma, Systemic/complications; Scleroderma, Systemic/drug therapy; Syndrome; Telangiectasis/complications; Terminology as Topic