A novel test shows a difference in the Raman spectra of the blood plasma of people without colon cancer compared to those with precancerous or cancerous polyps. Credit: Haishan Zeng, BC Cancer Agency
It shows the simple fingerprint for cancerous growth and precancerous polyps. It may yield a cheaper and less invasive initial screening test for colon cancer that could complement colonoscopy, though further clinical trials will need to demonstrate the safety and effectiveness of the blood test before it is routinely used.
“This is a screening technology you can use on anybody,” said Haishan Zeng, BC Cancer Agency, who led the study...
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