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Can Prostate-Specific Antigen Kinetics before Prostate Biopsy Predict the Malignant Potential of Prostate Cancer?

Title
Can Prostate-Specific Antigen Kinetics before Prostate Biopsy Predict the Malignant Potential of Prostate Cancer?
Author
박성열
Keywords
Prostate-specific antigen; prostatic neoplasms; Gleason score
Issue Date
2015-11
Publisher
YONSEI UNIV COLL MEDICINE
Citation
YONSEI MEDICAL JOURNAL, v. 56, NO 6, Page. 1492-1496
Abstract
Purpose To predict the malignant potential of prostate cancer (PCa) according to prostate-specific antigen velocity (PSAV), PSA density (PSAD), free/total PSA ratio (%fPSA), and digital rectal examination (DRE). Materials and Methods From January 2009 to December 2012, 548 adult male patients were diagnosed with PCa by prostate biopsy at four hospitals in Korea. We retrospectively analyzed 155 adult male patients with an initial PSA level ≤10 ng/mL and whose PSA levels had been checked more than two times at least 6 months before they had been diagnosed with PCa, with test intervals of more than 3 months. Patients with a urinary tract infection, and patients who had previously undergone cystoscopy or surgery of the prostate were excluded. We separated patients into two groups according to Gleason sum [Gleason sum ≤7 (n=134) or Gleason sum ≥8 (n=21)] and the presence of extracapsular invasion [organ confined (n=129) or extracapsular invasion (n=26)]. Differences between the groups were compared. Results The group with a Gleason sum ≥8 or extracapsular invasion of PCa showed high PSAV and significantly lower %fPSA. There were no significant differences in PSAD and the presence of an abnormality on DRE between two groups. Conclusion In PCa patients treated with other therapies besides prostatectomy, a high PSA velocity and a low %fPSA may predict high grade PCa with a Gleason sum ≥8 or the presence of extracapsular invasion.
URI
https://synapse.koreamed.org/DOIx.php?id=10.3349/ymj.2015.56.6.1492http://hdl.handle.net/20.500.11754/29114
ISSN
0513-5796; 1976-2437
DOI
10.3349/ymj.2015.56.6.1492
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COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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