4 days
Test Updated:
Sensory Neuropathy Antibody
ANNA-2
Antineuronal Nuclear Antibody (ANNA) Type 2
Paraneoplastic Autoantibody, Antineuronal Nuclear Antibody 2
Anti-Ri
Neuronal Nuclear Antibody, Type 2
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Test Overview
Immunofluorescence (IFA)
Anti-Ri can be detected in patients with the paraneoplastic opsoclonus / myoclonus syndrome. Neoplasms most often associated with Anti-Ri include breast cancer, gynecological cancers, and small cell lung cancer.
Negative
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.