Reclassify cancers to improve treatment, researchers say

Andy · Apr 7, 2018

Cancers should no longer be categorised by where they are first formed in the body, but instead by similarities in tumour types, researchers say.

A US-led study of 33 cancer types from more than 10,000 patients found they could be reclassified into 28 clusters that shared similar molecules.

Reclassification would ultimately lead to better, more targeted treatments, said the researchers.

"It's time to rewrite the textbooks on cancer," one of the authors said.

Cancers have traditionally been classed and treated according to the part of the body from which they originate, such as the breasts or lungs.

But for this new study, the Pan-Cancer Atlas, scientists carried out analysis of 23 of the most common tumour types, and also 10 rare ones, to see which similarities and differences they had on both a genetic and cellular level.

They found that nearly two-thirds of cancer clusters that shared key molecular similarities were found in more than one area of the body.

One tumour type was found in 25 parts of the body, meaning it would traditionally be treated differently depending on which area it was found in, the study found.
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http://www.bbc.co.uk/news/health-43659760

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Reclassify cancers to improve treatment, researchers say

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Reclassify cancers to improve treatment, researchers say

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