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Peggy Van de Plassche's avatar

Amazing! Thank you for sharing Graham! Yes this is definitely an opportunity to detect other type of diseases.

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Graham Strong's avatar

Wow, I hadn't heard of this before! I did some research -- it looks like liquid biopsy can also be used for things like colorectal cancer and endometrial carcinoma. Although in my quick research, I couldn't find anything that stated this would be a definitive test -- I imagine that a biopsy would still be needed to confirm. But as an initial screening test, this is incredible!

Another piece of technology coming out of Thunder Bay is Radialis. Initially developed for breast cancer, it uses nuclear medicine like a PET machine to detect tumours. It is particularly useful for women with dense breast tissue, which is about half the population. Traditional mammography, which uses X-rays, can be inefficient because the tumour can "hide" in the dense breast tissue. But with Radialis, it's clear as day because it "lights up" only the cancerous cells.

It's been approved for use by the FDA (maybe just clinical trial use?), and there are a few sites such as Pittsburgh where it is being used. Last I heard though, public policy is delaying clinical trials, at least in Canada. Hopefully that will get ironed out soon.

Early detection, as you point out, is the key to better survival rates. Something like ovarian cancer is so insidious because, as you point out, painful biopsy cannot be used as a standard screening method. A test like this could revolutionize ovarian cancer care and others. (Here's hoping they can find one for other hard-to-detect cancers such as pancreatic cancer!)

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