The ENA Panel is a group of blood tests that detect antibodies against extractable nuclear antigens. These antigens are proteins found in the nucleus of cells. The panel usually includes antibodies against the following specific antigens:
- Ant...

- **Positive Results**: Positive results may indicate the presence of an autoimmune disease, but they are not definitive on their own. They should be interpreted in the context of clinical symptoms and other diagnostic tests.
- **False Positive...

- **Normal**: Generally, the normal range for ENA antibodies is negative. This means that no significant levels of these specific autoantibodies are detected in the blood.
- **Specifics**: Each antibody in the panel has its own normal range, wh...

- **Anti-Smith (Sm)**: Typically associated with systemic lupus erythematosus (SLE). Positive in a small percentage of SLE patients.
- **Anti-RNP**: Often associated with mixed connective tissue disease (MCTD) but can also be positive in other ...