Mesothelioma FAQ

There are no blood tests that can diagnose mesothelioma at this time. There are a number of tests that can measure compounds in the blood that come from the mesothelioma. These cannot make the diagnosis. They are more often used to follow a patient’s response to treatment later on, when the doctors will look to see if the blood levels of these substances are going up or down.

There is a test for the presence of Soluble Mesothelin-Related Peptides in the blood called the Mesomark Assay. Osteopontin is another substance found in the blood of patients with mesothelioma. Research studies are in progress trying to see if these substances can be useful in making the diagnosis of mesothelioma.  See also Blood Tests and Tumor Markers.
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