In a patient with a history of treated stage II seminoma with rising bHCG while on surveillance, do you routinely recheck the bHCG with a different assay?   

When are you concerned for a false positive? FDA guidelines include a suggestion to try another assay in case heterophile antibodies are causing a false positive, but we cannot find a lab that does an alternative assay.



Answer from: Medical Oncologist at Community Practice
Comments
Medical Oncologist at Massachusetts General Hospital
I totally agree with @Craig R. Nichols. The additi...
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