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Blood test 'detects cancer relapse'

Health Desk |
Update: 2015-08-27 03:26:00
Blood test 'detects cancer relapse'

DHAKA:  A blood test may be able to save lives by finding cancers that have started to grow again after treatment, a study suggests.

Scientists at the Institute of Cancer Research in London found traces of breast cancer eight months before doctors would normally have noticed, reports BBC.

In the trial, the test found 12 cancers out of the 15 women who relapsed.

Experts said there was still some way to go before there was a test that could be used in hospitals.

Surgery to remove a tumour is one of the core treatments for cancer.

However, a tumour starts from a single cancerous cell. If parts of the tumour have already spread to another part of the body or the surgeon did not remove it all then the cancer can return.

Relapse

Fifty-five patients who were at high risk of relapse because of the size of the tumour were followed in the study published in Science Translational Medicine.

The scientists analysed the mutated DNA of the tumour and then continued to search the blood for those mutations.

Fifteen patients relapsed and the blood test gave advanced warning of 12 of them.

The other three patients all had cancers that had spread to the brain where the protective blood-brain barrier could have stopped the fragments of the cancer entering the bloodstream.

The test detected cancerous DNA in one patient who has not relapsed.

BDST: 1327 HRS, AUG 27, 2015
RS

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