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Simple blood test
could detect cancers
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A new, highly sensitive blood test may help
detect cancer tumors, Medical News Today reported.
Researchers at Stanford University School of
Medicine attempted a new approach to detecting cancer tumors— a blood test that
uses tumor DNA as a biomarker.
In a new study published in Nature Medicine,
the test correctly identified around half of patients with stage 1 lung cancer
and all patients with stage 2 or higher.
These findings show promise for the use of blood
tests to monitor tumors for a diverse range of cancers— at a fraction of the
cost of current detection methods using imaging studies, such as CT scans.
"Blood cancers like leukemias can be easier to
monitor than solid tumors through ease of access to the blood. By developing a
general method for monitoring circulating tumor DNA, we're in effect trying to
transform solid tumors into liquid tumors that can be detected and tracked more
easily,” study author Ash Alizadeh, an assistant professor of medicine at
Stanford, said.
Researchers say the method has potential as a
cancer screening tool for both healthy and at-risk populations.
( Courtesy:
Fox News )
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