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Prostate cancer tests 'underestimate aggressiveness'
Men with prostate cancer are being given false hope by tests that underestimate the aggressiveness of their disease, a study suggests.
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Cancer Research calls for better prostate cancer tests
Better tests to define how aggressive a prostate cancer is needed, Cancer Research UK Cambridge Institute said, after it was reported that more than half of a group of men whose cancers were initially classified as slow-growing and confined turned out to have more dangerous tumours.
Urological surgeon Greg Shaw said:
Men with prostate cancer 'given false hope' by tests
Men with prostate cancer are being given false hope by tests that underestimate the aggressiveness of their disease, a study suggests.
Researchers found that more than half of a group of men whose cancers were initially classified as slow-growing and confined turned out to have more dangerous tumours.
The findings, published in the British Journal Of Cancer, call into question the ability of experts to grade and stage prostate cancers on the basis of biopsy samples.
It also casts doubt on the "active surveillance" strategy of avoiding unnecessary radical treatment for patients with slow-growing prostate cancer.
Instead, these patients are often closely monitored but left alone until tests suggest their condition has worsened.