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University of Turku
Early cancer detection with blood tests: When will the benefits outweigh the harms?
When cancer is detected early, treatment is more effective, and survival rates improve. So why are almost half of the cancers still diagnosed at advanced stages, although blood tests and other screening methods have been around for decades? The challenges related to early detection are complex, just as the disease itself.
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Established screening methods like mammography for breast cancer and colonoscopy for colorectal cancer have demonstrated success in lowering death rates through early intervention. However, not all diseases can be screened, including ovarian cancer, which often remain hidden until they reach advanced, untreatable stages, leaving physicians and patients with limited options.
Ovarian cancer is notorious for its vague symptoms and lack of effective screening methods, making early detection a significant challenge. This disparity between the success in detecting some cancers early and the difficulty with others highlights an urgent need: we must develop innovative approaches to detect these silent killers sooner.
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University of Turku