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Can a colonoscopy detect prostate cancer?

Just prior to the colonoscopy, after you have been sedated, the gastroenterologist performs a rectal examination, just like the one your regular doctor does in the office. Sometimes, we are able to feel any irregularity in the prostate, but the colonoscopy itself cannot detect prostate cancer. Your primary doctor will obtain blood tests for prostate cancer screening.
No. It's possible that a rectal exam can raise suspicion of an abnormal finding, but only a biopsy can confirm the diagnosis of prostate cancer.

Contrary to popular belief, colonoscopy cannot diagnose prostate cancer.

Prostate abnormalities may be detected during a manual rectal exam or by the presence of high levels of prostate specific antigen (PSA) in blood. Further tests are required to determine if the abnormality detected is prostate cancer. As with all suspected cancers, a tissue sample needs to be taken to make the diagnosis.

Colonoscopies do not generally detect prostate cancer.

Continue Learning about Prostate Cancer

Prostate Cancer

Prostate Cancer

One of the most common cancers among men, prostate cancer can be very aggressive and spread to your bones and other organs. Cancer usually develops very slowly in the prostate gland, which produces fluid that helps create a man's ...

semen. If found early, when the cancer is confined only to the gland, prostate cancer is very treatable.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.