Ontario to lower age for regular breast cancer screenings to 40 - Action News
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Toronto

Ontario to lower age for regular breast cancer screenings to 40

Ontario is lowering the age for regular, publicly funded breast cancer screenings from 50 to 40, which Health Minister Sylvia Jones says will help with early detection.

Starting next fall, eligible women can self refer for a mammogram every 2 years

A woman wearing glasses and a blazer looks off camera.
Ontario Health Minister Sylvia Jones is set to announce Monday that the province is lowering the age for regular, publicly funded breast cancer screenings, which will come into effect next fall. (Tijana Martin/The Canadian Press)

Ontario is lowering the age for regular, publicly funded breast cancer screenings from 50 to 40, which Health MinisterSylvia Jones says will help with early detection.

Jones said Monday that the expansion will mean an additional130,000 mammograms are completed in the province each year.

"Nearly 12,000 Ontarians are diagnosed with breast cancer eachand every year," she said at a news conference announcing thechange.

"We know early detection through regular screening withmammograms can save lives, detecting breast cancer before it has thechance to spread, and with this historic expansion more mammogramswill be performed each and every year, ensuring breast cancer iscaught earlier and treated sooner."

The move follows a draft recommendation from the U.S. Preventive Services Task Force earlier this year that said screenings in that country should start at 40 instead of 50, because evidence suggests that would have a moderate benefit in reducing deaths.

The change in Ontario means that starting infall2024, eligible women, non-binary, trans and two-spirit people between the ages of 40 and 74 can self refer for a mammogram every two years.

People can already get regular mammograms and breast MRIs betweenthe ages of 30 and 69 if they qualify as high risk, such as thosewith a family history of breast cancer or people who carry certaingenes known to increase the risk of breast cancer.

The ministry says that between now and next fall, sites thatoffer breast cancer screening will hire new staff and work with thegovernment to develop a public reporting system so patients can see wait timesprovincewide.

Sherry Wilcox, who was diagnosed with breast cancer last year atthe age of 44, said she started asking about mammograms when sheturned 40, but was told she wasn't eligible.

"To all of the women who are breast cancer survivors and patients and to the families of those who have passed thisannouncement is a recognition of what you have endured," she said.

"While it may be too late for us, this is an incredible opportunity for others going forward that hopefully will not have tobear the negative consequences of a later diagnosis. If you are a woman in your 40s, go, please, and get a mammogram and for everyone else tell your daughters, sisters, mothers, coworkers to get screened."

Screening shown to reduce mortality by up to 44%

Dr. Martin Yaffe, a co-program director of the imaging program atthe Ontario Institute for Cancer Research, said screening has beenshown to reduce mortality by up to 44 per cent.

"If the cancers are found earlier, often women can be spared theharsher aspects of therapy," he said in an interview.

"So they might be able to have a lumpectomy or breastconserving surgery, as it's called versus a mastectomy. They maybe able to avoid chemotherapy, which is a nasty experience, and theymay also be able to avoid having ... surgery in the armpit to removelymph nodes."

It is also beneficial for the health system as a whole, he said.

"Some of my colleagues in Ottawa and myself have recentlypublished a paper looking at the cost of treating breast cancer andshown very clearly that if you treat it at earlier stages, it's muchless expensive, sometimes by a factor of 20 to 30 times lessexpensive than when you're treating advanced, more advancedcancers," Yaffe said.

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However, he said the program would be even more beneficial ifscreening was offered to women in that age group annually, insteadof once every two years. Premenopausal cancers tend to grow fasterand be more aggressive, Yaffe said, meaning screenings at two-yearintervals could still miss cases.

Dense Breasts Canada, a non-profit group that raises awarenessabout optimal breast cancer screening, said the news is particularlywelcome for Black, Asian and Hispanic women, who have earlier onsetand peak breast cancer incidence in their late 40s.

"Getting screened before age 50 allows thousands of women tohave their cancer detected earlier, when it is easier to treat,"executive director Jennie Dale wrote in a statement.

"Lives depend on early screening."

A spokesperson for Jones said Ontario Health is working ondetermining how many staff will need to be hired, so was unable tosay at this point how much funding will go toward the expansion.