Categories: Health

New blood test can detect colon cancer

A study conducted by scientists from Marine Hospital from Barcelona confirmed the reliability of liquid biopsy analysis in blood which detects colorectal cancer.

They claim that there is “comparable performance“The remaining alternatives that exist today to be able to establish your diagnosis,” the center said Infosalus Last Tuesday.

The study’s findings were published in the scientific journal ‘Annals of Oncology‘, where it is stated in detail that the total 623 samples blood.

Half of the tests were positive in population screening

318 these samples are taken from individuals who have undergone colonoscopy between 2017 and 2018 and gave positive when collecting feces for occult blood, which is a common test in screening colon cancer.

The remaining samples were taken from patients in whom this pathology was detected when performing this test, which examines DNA belonging tumor in the colon.

To do this, they used several strategies simultaneously: “Analyze the availability mutations DNA, methylation, as well as fragmentomics, that is, changes associated with the tumor, expanding the spectrum possible markers“, explained Infosalus.

80% of positive cases can be detected

This group of scientists demonstrated that the sensitivity of this test is similar to the test used in screening population in Cataloniawhich involves looking for traces of blood in the stool.

Both have proven that they can find 80% belonging positive casestherefore, this analysis may increase the number of residents participating in this type of screening.

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