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MRI scan screens men for prostate cancer

  • 2 Min To Read
  • 9 months ago

A recent study suggests that a 10-minute MRI scan could be a more accurate method for screening men for prostate cancer compared to the widely used blood tests that look for high levels of a protein called PSA. The study found that MRI scans were able to detect serious cancers that would have been missed by PSA tests alone. Currently, there is no national screening program for prostate cancer because PSA tests are considered unreliable, although men over 50 can request a test. The authors of the study believe that prostate MRI could be used for screening, but acknowledge that further research is needed to confirm this.

Prostate cancer is a form of cancer that develops in the prostate gland, which is part of the male reproductive system. It usually develops slowly and may not exhibit any signs or symptoms for years. However, in some cases, the cancer can be aggressive and deadly, highlighting the importance of early diagnosis and treatment.

The Reimagine study, published in BMJ Oncology, invited men aged 50 to 75 in London to undergo screening MRI and PSA tests. Of the 303 participants who had both tests, 48 had a positive MRI indicating cancer, and 25 were subsequently diagnosed with significant cancer after further tests. Interestingly, more than half of the men whose cancer was detected on MRI had low PSA test scores, which would have falsely reassured them that they were free of the disease.

Paul Rothwell, a participant in the study, had his prostate cancer diagnosed early as a result of the MRI scan, despite his negative PSA test. He expressed gratitude for the MRI scan, as it allowed for successful treatment before the cancer progressed further.

PSA tests are considered useful but unreliable indicators of prostate cancer. Low PSA scores may miss cancer, while high levels can also be caused by factors unrelated to cancer. Furthermore, PSA tests cannot determine which tumors require treatment and which can be safely left untreated.

The study also highlighted the need to address disparities in prostate cancer screening. Black men, who have a higher risk of prostate cancer, were found to be five times less likely to come forward for screening than white men. It is crucial that any national screening program includes strategies to reach and encourage black men to undergo testing.

Overall, the study's findings suggest that a screening program using MRI scans could significantly reduce prostate cancer mortality rates in the UK. Further research and larger-scale studies are needed to determine the feasibility and effectiveness of implementing such a program.

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