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Is there a blood test for prostate cancer yet?
what with the more well known alternative, I'd prefer to have blood drawn should the need ever arise...
asked in health



duffield1 answers:

No - there is a blood test that screens for prostate specific antigents, which are one indicator of prostate, but this is not a sufficiently accurate test, so you get a digital examination (meaning with a finger, rather than as an alternative to an analogue one) as well.


Supplement from 01/30/2009 09:42am:

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seacommander answers:

As duffield says the PSA test is not 100% diagnostic. Digital Rectal Examanination (DRE) will detect an enlarged and uneven shaped prostate, but this too is not diagnostic since non-malignant enlargement of the prostate is common. The only truly diagnostic test is a biopsy. This is involves taking a number of small cores out of the prostate with a fine needle passed through the wall of the rectum under ultrasound guidance - Trans-Rectal Ultrasound Guided Biopsy (TRUS). This is performed under local or general anaesthesia. You may find this site useful.

http://www.cancerbackup.org.uk/Cancertype/Prostate/Causesdiagnosis/Diagnosis

If cancer is diagnosed the PSA test can be useful indicator of progression.


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