Abstract:
OBJECTIVE:To determine if the adjunctive use of power Doppler imaging (PDI) could provide prognostic utility in the treatment of prostate cancer, as an accurate prediction of the clinical behaviour of prostate cancer is important to determine appropriate treatment. PATIENTS AND METHODS:Most centres rely on a digital rectal examination or transrectal ultrasonography (TRUS) to assess the clinical stage of patients. In 2002, we began using a standardized form to evaluate TRUS findings and PDI findings. We compared preoperative clinical findings with those from pathological analysis of 620 radical prostatectomy specimens from 2002 to 2007. RESULTS:The mean (sd) patient age was 58 (6.6) years with a mean prostate-specific antigen (PSA) level of 7.0 (4.5) ng/mL. Of the 620 specimens 157 (25.3%) had evidence of extracapsular extension on pathological evaluation; 443 (71.5%) men had a hypervascular lesion seen on TRUS, while 177 (28.5%) patients had none. There was no difference in preoperative PSA level, grade or stage of tumour. Furthermore, rates of biochemical recurrence or secondary treatment did not differ based on PDI findings. As a tool to help locate prostate tumours, PDI improved the specificity of TRUS but did not improve the overall accuracy or sensitivity. CONCLUSION:PDI provides little prognostic utility to assess risk in prostate cancer. However, PDI might improve the specificity of TRUS in identifying prostate tumours and could have a role in image guidance for focal therapy of prostate cancer.
journal_name
BJU Intjournal_title
BJU internationalauthors
Eisenberg ML,Cowan JE,Carroll PR,Shinohara Kdoi
10.1111/j.1464-410X.2009.08958.xsubject
Has Abstractpub_date
2010-05-01 00:00:00pages
1237-41issue
9eissn
1464-4096issn
1464-410Xpii
BJU8958journal_volume
105pub_type
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