Multicenter Evaluation of [−2]Proprostate-Specific Antigen and the Prostate Health Index for Detecting Prostate Cancer
Author(s) -
Carsten Stephan,
S. Vincendeau,
A. Houlgatte,
Henning Cammann,
Klaus Jung,
Axel Semjonow
Publication year - 2012
Publication title -
clinical chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.705
H-Index - 218
eISSN - 1530-8561
pISSN - 0009-9147
DOI - 10.1373/clinchem.2012.195784
Subject(s) - prostate specific antigen , prostate cancer , medicine , prostate , multicenter study , index (typography) , oncology , antigen , cancer , urology , immunology , computer science , world wide web , randomized controlled trial
Total prostate-specific antigen (tPSA) is flawed for prostate cancer (PCa) detection. [-2]proprostate-specific antigen (p2PSA), a molecular isoform of free PSA (fPSA), shows higher specificity compared with tPSA or percentage of free PSA (%fPSA). The prostate health index (Phi), a measure based on p2PSA and calculated as p2PSA/fPSA × √tPSA, was evaluated in a multicenter study for detecting PCa.
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