Prostate cancer: No. The only way to diagnose prostate cancer is by tissue biopsy of the prostate. The psa blood test is used to determine who gets a biopsy. Most treatable (early stage) prostate cancers cannot be palpated on the digital rectal exam. Urine testing has no role in prostate cancer screening or diagnosis.
Answered 4/17/2013
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Not completely: While urine based tests like pca3 may provide some information about prostate cancer, the only definitive way to diagnose prostate cancer presently is a prostate biopsy.
Answered 8/10/2013
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