Autoantibodies: Antinuclear Antibodies (ANAs) and Extractable Nuclear Antigen (ENA)
摘要
Autoantibodies are the main culprit behind causing various autoimmune connective tissue diseases. Their detection and interpretation form a cornerstone in diagnosis of these diseases. Usually they are not associated with predicting the course of disease, but a few of them are associated with characteristic cutaneous or systemic features, and hence their knowledge is paramount.