Extra cancer screening could help pick up early cases in dense breasts

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Extra ******* screening could help pick up early cases in dense breasts

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Dense breast tissue and tumours appear similar on scans, which can make the latter hard to identify

Gorodenkoff/Shutterstock

If you have dense breast tissue, you could benefit from an extra round of ******* screening, according to a large trial that found this caught tumours that were missed in standard mammograms.

The ***’s health services offer mammograms, a form of X-ray scan, between the ages of 50 and 71 in order to screen for breast *******. These look for white growths that are indicative of *******.

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, meaning they have a high proportion of fibrous and glandular tissue, which also shows up as white on the scans. This can make tumours harder to spot in these individuals.

“The problem with dense breasts is we see cancers too late, then they are too big and this leads to an unfavourable prognosis,” says

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at the Medical University of Vienna in Austria, who wasn’t involved in the trial.

To see if additional screening could address this,

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at the University of Dundee, ***, and her colleagues recruited more than 6000 women aged 50 to 70 from across the *** who had dense breasts and whose mammograms came back clear in their most recent screening. The researchers randomly split the participants into three groups that received additional screening in the form of either an MRI, an ultrasound or an advanced form of X-ray scan called contrast-enhanced mammography.

The extra screening collectively detected 85 small tumours, with MRI and contrast-enhanced mammography detecting three times more tumours than ultrasound. Twelve of these tumours were contained within milk ducts and so were unlikely to spread beyond the breast. But the remaining 73 tumours were invasive, when ******* cells have grown through the lining of the ducts into the surrounding breast tissue and then have greater potential to spread further.

“It’s very important to find these cancers; usually they are growing and if you detect them three, four years later, they are going to be ******* in size,” says Helbich. “As some will be aggressive, I’m pretty sure that supplemental screening would save lives.”

But we don’t know if this would definitely be the case. For instance, a 2021

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of ovarian ******* screening led to a reduced incidence of the condition, but didn’t translate into lives being saved. It is also possible that some of the detected tumours are non-cancerous or unlikely to spread. If this is the case, supplemental screening could lead to unnecessary worry or treatment.

The team plans to continuing tracking the participants to help gauge if extra screening helps saves lives and if that could justify the cost of rolling it out, says Vinnicombe.

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#Extra #******* #screening #pick #early #cases #dense #breasts

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