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PSA velocity
Pronunciation
Definition 1
A measurement of how fast PSA levels in the blood increase over time. A high PSA velocity may be a sign of prostate cancer and may help find fast-growing prostate cancers. (NCI Dictionary)
Definition 2
A type of PSA assay which compares changes in PSA levels over time. A sharp rise in the PSA level raises the suspicion of cancer. (from Cancer Information Service) (NCI Thesaurus)
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