Maybe: Some defined antibodies are associated with paraneoplastic syndromes (note: plural). In those cases the testing may be positive. However, a person could have a paraneoplastic syndrome with negative testing for the known paraneoplastic antibodies. It is possible that studies are being done to characterize tests for paraneoplastic syndromes. That might be experimental.
Answered 7/5/2012
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No: Tests for the various autoantibodies such as anti-Hu are well-established.
Answered 9/29/2016
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